Reduce use of equalIgnoringCase to just ignore ASCII case
https://bugs.webkit.org/show_bug.cgi?id=153266

Reviewed by Ryosuke Niwa.

Source/WebCore:

Changed many call sites that were using equalIgnoringCase to instead use
equalLettersIgnoringASCIICase. What these all have in common is that the
thing they are comparing with is a string literal that has all lowercase
letters, spaces, and a few simple examples of punctuation.

Not 100% sure that the new function name is just right, but it's a long name
so it's easy to change it with a global replace if we come up with a better one.

Or if we decide ther eis no need for the "letters" optimization, we can change
these all to just use equalIgnoringASCIICase, also with a global replace.

Also made a few tweaks to some code nearby and some includes.

* Modules/encryptedmedia/CDMPrivateClearKey.cpp:
(WebCore::CDMPrivateClearKey::supportsKeySystem): Use equalLettersIgnoringASCIICase.
(WebCore::CDMPrivateClearKey::supportsKeySystemAndMimeType): Ditto.
* Modules/encryptedmedia/CDMSessionClearKey.cpp:
(WebCore::CDMSessionClearKey::update): Ditto.
* Modules/plugins/YouTubePluginReplacement.cpp:
(WebCore::YouTubePluginReplacement::supportsMimeType): Ditto.
(WebCore::YouTubePluginReplacement::supportsFileExtension): Ditto.
* Modules/webdatabase/DatabaseAuthorizer.cpp:
(WebCore::DatabaseAuthorizer::createVTable): Ditto.
(WebCore::DatabaseAuthorizer::dropVTable): Ditto.
* Modules/websockets/WebSocketHandshake.cpp:
(WebCore::WebSocketHandshake::readHTTPHeaders): Ditto.
(WebCore::WebSocketHandshake::checkResponseHeaders): Ditto.
* accessibility/AXObjectCache.cpp:
(WebCore::AXObjectCache::findAriaModalNodes): Ditto.
(WebCore::AXObjectCache::handleMenuItemSelected): Ditto.
(WebCore::AXObjectCache::handleAriaModalChange): Ditto.
(WebCore::isNodeAriaVisible): Ditto.
* accessibility/AccessibilityListBoxOption.cpp:
(WebCore::AccessibilityListBoxOption::isEnabled): Ditto.

* accessibility/AccessibilityNodeObject.cpp:
(WebCore::AccessibilityNodeObject::determineAccessibilityRole): Use isColorControl
instead of checking the typeAttr of the HTMLInputElement directly.
(WebCore::AccessibilityNodeObject::isEnabled): Use equalLettersIgnoringASCIICase.
(WebCore::AccessibilityNodeObject::isPressed): Ditto.
(WebCore::AccessibilityNodeObject::isChecked): Ditto.
(WebCore::AccessibilityNodeObject::isMultiSelectable): Ditto.
(WebCore::AccessibilityNodeObject::isRequired): Ditto.
(WebCore::shouldUseAccessibilityObjectInnerText): Ditto.
(WebCore::AccessibilityNodeObject::colorValue): Ditto.

* accessibility/AccessibilityObject.cpp:
(WebCore::AccessibilityObject::contentEditableAttributeIsEnabled):
Use equalLettersIgnoringASCIICase.
(WebCore::AccessibilityObject::ariaIsMultiline): Ditto.
(WebCore::AccessibilityObject::liveRegionStatusIsEnabled): Ditto.
(WebCore::AccessibilityObject::sortDirection): Ditto.
(WebCore::AccessibilityObject::supportsARIAPressed): Ditto.
(WebCore::AccessibilityObject::supportsExpanded): Ditto.
(WebCore::AccessibilityObject::isExpanded): Ditto.
(WebCore::AccessibilityObject::checkboxOrRadioValue): Ditto.
(WebCore::AccessibilityObject::isARIAHidden): Ditto.
* accessibility/AccessibilityRenderObject.cpp:
(WebCore::AccessibilityRenderObject::supportsARIADragging): Ditto.
(WebCore::AccessibilityRenderObject::defaultObjectInclusion): Ditto.
(WebCore::AccessibilityRenderObject::elementAttributeValue): Ditto.
(WebCore::AccessibilityRenderObject::isSelected): Ditto.
(WebCore::AccessibilityRenderObject::determineAccessibilityRole): Ditto.
(WebCore::AccessibilityRenderObject::orientation): Ditto.
(WebCore::AccessibilityRenderObject::canSetExpandedAttribute): Ditto.
(WebCore::AccessibilityRenderObject::canSetValueAttribute): Ditto.
(WebCore::AccessibilityRenderObject::ariaLiveRegionAtomic): Ditto.

* accessibility/AccessibilityTableCell.cpp:
(WebCore::AccessibilityTableCell::ariaRowSpan): Use == to compare a string
with "0" since there is no need to "ignore case" when there are no letters.

* css/CSSCalculationValue.cpp:
(WebCore::CSSCalcValue::create): Use equalLettersIgnoringASCIICase.

* css/CSSCalculationValue.h: Removed unneeded include of CSSParserValues.h.
* css/CSSCustomPropertyValue.h: Ditto.

* css/CSSFontFaceSrcValue.cpp:
(WebCore::CSSFontFaceSrcValue::isSVGFontFaceSrc): Use equalLettersIgnoringASCIICase.

* css/CSSGrammar.y.in: Use equalLettersIgnoringASCIICase. Also restructured the code
a bit to have more normal formatting and reordered it slightly.

* css/CSSParser.cpp:
(WebCore::equal): Deleted.
(WebCore::equalIgnoringCase): Deleted.
(WebCore::equalLettersIgnoringASCIICase): Added. Replaces function templates named
equal and equalIgnoringCase that are no longer used.
(WebCore::CSSParser::parseValue): Use equalLettersIgnoringASCIICase.
(WebCore::CSSParser::parseNonElementSnapPoints): Ditto.
(WebCore::CSSParser::parseAlt): Ditto.
(WebCore::CSSParser::parseContent): Ditto.
(WebCore::CSSParser::parseFillImage): Ditto.
(WebCore::CSSParser::parseAnimationName): Ditto.
(WebCore::CSSParser::parseAnimationTrigger): Ditto.
(WebCore::CSSParser::parseAnimationProperty): Ditto.
(WebCore::CSSParser::parseKeyframeSelector): Ditto.
(WebCore::CSSParser::parseAnimationTimingFunction): Ditto.
(WebCore::CSSParser::parseGridTrackList): Ditto.
(WebCore::CSSParser::parseGridTrackSize): Ditto.
(WebCore::CSSParser::parseDashboardRegions): Ditto.
(WebCore::CSSParser::parseClipShape): Ditto.
(WebCore::CSSParser::parseBasicShapeInset): Ditto.
(WebCore::CSSParser::parseBasicShape): Ditto.
(WebCore::CSSParser::parseFontFaceSrcURI): Ditto.
(WebCore::CSSParser::parseFontFaceSrc): Ditto.
(WebCore::CSSParser::isCalculation): Ditto.
(WebCore::CSSParser::parseColorFromValue): Ditto.
(WebCore::CSSParser::parseBorderImage): Ditto.
(WebCore::parseDeprecatedGradientPoint): Ditto.
(WebCore::parseDeprecatedGradientColorStop): Ditto.
(WebCore::CSSParser::parseDeprecatedGradient): Ditto.
(WebCore::CSSParser::parseLinearGradient): Ditto.
(WebCore::CSSParser::parseRadialGradient): Ditto.
(WebCore::CSSParser::isGeneratedImageValue): Ditto.
(WebCore::CSSParser::parseGeneratedImage): Ditto.
(WebCore::filterInfoForName): Ditto.
(WebCore::validFlowName): Ditto.
(WebCore::CSSParser::realLex): Ditto.
(WebCore::isValidNthToken): Ditto.
* css/CSSParserValues.cpp:
(WebCore::CSSParserSelector::parsePagePseudoSelector): Ditto.

* css/CSSParserValues.h:
(WebCore::equalLettersIgnoringASCIICase): Added.

* css/CSSVariableDependentValue.h: Removed unneeded include of CSSParserValues.h.

* css/MediaList.cpp:
(WebCore::reportMediaQueryWarningIfNeeded): Use equalLettersIgnoringASCIICase.
* css/MediaQueryEvaluator.cpp:
(WebCore::MediaQueryEvaluator::mediaTypeMatch): Ditto.
(WebCore::MediaQueryEvaluator::mediaTypeMatchSpecific): Ditto.
(WebCore::evalResolution): Ditto.

* css/SelectorPseudoTypeMap.h: Removed unneeded include of CSSParserValues.h.

* css/StyleBuilderConverter.h:
(WebCore::StyleBuilderConverter::convertTouchCallout): Use equalLettersIgnoringASCIICase.

* css/makeSelectorPseudoClassAndCompatibilityElementMap.py: Added an include of
CSSParserValues.h since it's no longer included by SelectorPseudoTypeMap.h.

* dom/Document.cpp:
(WebCore::setParserFeature): Use equalLettersIgnoringASCIICase.
(WebCore::Document::processReferrerPolicy): Ditto.
(WebCore::Document::createEvent): Ditto.
(WebCore::Document::parseDNSPrefetchControlHeader): Ditto.

* dom/Element.cpp:
(WebCore::Element::spellcheckAttributeState): Use isNull instead of doing
checking equality with nullAtom. Use isEmpty instead of equalIgnoringCase("").
Use equalLettersIgnoringASCIICase.
(WebCore::Element::canContainRangeEndPoint): Ditto.

* dom/InlineStyleSheetOwner.cpp:
(WebCore::isValidCSSContentType): Use equalLettersIgnoringASCIICase.
Added comment about peculiar behavior where we do case-sensitive processing of
the MIME type if the document is XML.

* dom/ScriptElement.cpp:
(WebCore::ScriptElement::requestScript): Use equalLettersIgnoringASCIICase.
(WebCore::ScriptElement::isScriptForEventSupported): Ditto.
* dom/SecurityContext.cpp:
(WebCore::SecurityContext::parseSandboxPolicy): Ditto.
* dom/ViewportArguments.cpp:
(WebCore::findSizeValue): Ditto.
(WebCore::findScaleValue): Ditto.
(WebCore::findBooleanValue): Ditto.

* editing/EditorCommand.cpp:
(WebCore::executeDefaultParagraphSeparator): Use equalLettersIgnoringASCIICase.
(WebCore::executeInsertBacktab): Use ASCIILiteral.
(WebCore::executeInsertHTML): Use emptyString.
(WebCore::executeInsertLineBreak): Use ASCIILiteral.
(WebCore::executeInsertNewline): Ditto.
(WebCore::executeInsertTab): Ditto.
(WebCore::executeJustifyCenter): Ditto.
(WebCore::executeJustifyFull): Ditto.
(WebCore::executeJustifyLeft): Ditto.
(WebCore::executeJustifyRight): Ditto.
(WebCore::executeStrikethrough): Ditto.
(WebCore::executeStyleWithCSS): Use equalLettersIgnoringASCIICase.
(WebCore::executeUseCSS): Ditto.
(WebCore::executeSubscript): Use ASCIILiteral.
(WebCore::executeSuperscript): Ditto.
(WebCore::executeToggleBold): Ditto.
(WebCore::executeToggleItalic): Ditto.
(WebCore::executeUnderline): Ditto.
(WebCore::executeUnscript): Ditto.
(WebCore::stateBold): Ditto.
(WebCore::stateItalic): Ditto.
(WebCore::stateStrikethrough): Ditto.
(WebCore::stateSubscript): Ditto.
(WebCore::stateSuperscript): Ditto.
(WebCore::stateUnderline): Ditto.
(WebCore::stateJustifyCenter): Ditto.
(WebCore::stateJustifyFull): Ditto.
(WebCore::stateJustifyLeft): Ditto.
(WebCore::stateJustifyRight): Ditto.
(WebCore::valueFormatBlock): Use emptyString.
(WebCore::Editor::Command::value): Use ASCIILiteral.

* editing/TextIterator.cpp:
(WebCore::isRendererReplacedElement): Use equalLettersIgnoringASCIICase.

* fileapi/Blob.cpp:
(WebCore::Blob::isNormalizedContentType): Use isASCIIUpper.

* history/HistoryItem.cpp:
(WebCore::HistoryItem::setFormInfoFromRequest): Use equalLettersIgnoringASCIICase.

* html/Autocapitalize.cpp:
(WebCore::valueOn): Deleted.
(WebCore::valueOff): Deleted.
(WebCore::valueNone): Deleted.
(WebCore::valueWords): Deleted.
(WebCore::valueSentences): Deleted.
(WebCore::valueAllCharacters): Deleted.
(WebCore::autocapitalizeTypeForAttributeValue): Use equalLettersIgnoringASCIICase.
(WebCore::stringForAutocapitalizeType): Put the AtomicString globals right in the
switch statement instead of in separate functions.

* html/HTMLAnchorElement.cpp:
(WebCore::HTMLAnchorElement::draggable): Use equalLettersIgnoringASCIICase.
* html/HTMLAreaElement.cpp:
(WebCore::HTMLAreaElement::parseAttribute): Ditto.
* html/HTMLBRElement.cpp:
(WebCore::HTMLBRElement::collectStyleForPresentationAttribute): Ditto.
* html/HTMLBodyElement.cpp:
(WebCore::HTMLBodyElement::collectStyleForPresentationAttribute): Ditto.
* html/HTMLButtonElement.cpp:
(WebCore::HTMLButtonElement::parseAttribute): Ditto.

* html/HTMLCanvasElement.cpp:
(WebCore::HTMLCanvasElement::toDataURL): Use ASCIILiteral.

* html/HTMLDivElement.cpp:
(WebCore::HTMLDivElement::collectStyleForPresentationAttribute):
Use equalLettersIgnoringASCIICase.

* html/HTMLDocument.cpp:
(WebCore::HTMLDocument::designMode): Use ASCIILiteral.
(WebCore::HTMLDocument::setDesignMode): Use equalLettersIgnoringASCIICase.

* html/HTMLElement.cpp:
(WebCore::HTMLElement::nodeName): Updated comment.
(WebCore::isLTROrRTLIgnoringCase): Use equalLettersIgnoringASCIICase.
(WebCore::contentEditableType): Ditto.
(WebCore::HTMLElement::collectStyleForPresentationAttribute): Ditto.
(WebCore::toValidDirValue): Ditto.
(WebCore::HTMLElement::insertAdjacent): Ditto.
(WebCore::contextElementForInsertion): Ditto.
(WebCore::HTMLElement::applyAlignmentAttributeToStyle): Ditto.
(WebCore::HTMLElement::setContentEditable): Ditto.
(WebCore::HTMLElement::draggable): Ditto.
(WebCore::HTMLElement::translateAttributeMode): Ditto.
(WebCore::HTMLElement::hasDirectionAuto): Ditto.
(WebCore::HTMLElement::directionality): Ditto.
(WebCore::HTMLElement::dirAttributeChanged): Ditto.
(WebCore::HTMLElement::addHTMLColorToStyle): Ditto.
* html/HTMLEmbedElement.cpp:
(WebCore::HTMLEmbedElement::collectStyleForPresentationAttribute): Ditto.
* html/HTMLFormControlElement.cpp:
(WebCore::HTMLFormControlElement::autocorrect): Ditto.
* html/HTMLFormElement.cpp:
(WebCore::HTMLFormElement::autocorrect): Ditto.
(WebCore::HTMLFormElement::shouldAutocomplete): Ditto.
* html/HTMLFrameElementBase.cpp:
(WebCore::HTMLFrameElementBase::parseAttribute): Ditto.

* html/HTMLFrameSetElement.cpp:
(WebCore::HTMLFrameSetElement::parseAttribute): Use equalLettersIgnoringASCIICase.
Use == when comparing with "0" and "1" since there is no need for case folding.

* html/HTMLHRElement.cpp:
(WebCore::HTMLHRElement::collectStyleForPresentationAttribute):
Use equalLettersIgnoringASCIICase.
* html/HTMLImageElement.cpp:
(WebCore::HTMLImageElement::draggable): Ditto.
* html/HTMLInputElement.cpp:
(WebCore::HTMLInputElement::parseAttribute): Ditto.
* html/HTMLKeygenElement.cpp:
(WebCore::HTMLKeygenElement::appendFormData): Ditto.
* html/HTMLMarqueeElement.cpp:
(WebCore::HTMLMarqueeElement::collectStyleForPresentationAttribute): Ditto.
* html/HTMLMediaElement.cpp:
(WebCore::HTMLMediaElement::parseAttribute): Ditto.
* html/HTMLMetaElement.cpp:
(WebCore::HTMLMetaElement::process): Ditto.

* html/HTMLObjectElement.cpp:
(WebCore::mapDataParamToSrc): Use references, modern for loops, simplify
logic to not use array indices, use ASCIILiteral and equalLettersIgnoringASCIICase.
(WebCore::HTMLObjectElement::parametersForPlugin): Update to call new function.
(WebCore::HTMLObjectElement::shouldAllowQuickTimeClassIdQuirk): Use equalLettersIgnoringASCIICase.
(WebCore::HTMLObjectElement::containsJavaApplet): Ditto.
* html/HTMLParagraphElement.cpp:
(WebCore::HTMLParagraphElement::collectStyleForPresentationAttribute): Ditto.
* html/HTMLParamElement.cpp:
(WebCore::HTMLParamElement::isURLParameter): Ditto.
* html/HTMLTableElement.cpp:
(WebCore::getBordersFromFrameAttributeValue): Ditto.
(WebCore::HTMLTableElement::collectStyleForPresentationAttribute): Ditto.
(WebCore::HTMLTableElement::parseAttribute): Ditto.
* html/HTMLTablePartElement.cpp:
(WebCore::HTMLTablePartElement::collectStyleForPresentationAttribute): Ditto.
* html/HTMLTextAreaElement.cpp:
(WebCore::HTMLTextAreaElement::parseAttribute): Ditto.
* html/HTMLTextFormControlElement.cpp:
(WebCore::HTMLTextFormControlElement::setRangeText): Ditto.
(WebCore::HTMLTextFormControlElement::directionForFormData): Ditto.
* html/HTMLVideoElement.cpp:
(WebCore::HTMLVideoElement::parseAttribute): Ditto.
* html/InputType.cpp:
(WebCore::InputType::applyStep): Ditto.
* html/LinkRelAttribute.cpp:
(WebCore::LinkRelAttribute::LinkRelAttribute): Ditto.
* html/MediaElementSession.cpp:
(WebCore::MediaElementSession::wirelessVideoPlaybackDisabled): Ditto.
* html/NumberInputType.cpp:
(WebCore::NumberInputType::sizeShouldIncludeDecoration): Ditto.
* html/RangeInputType.cpp:
(WebCore::RangeInputType::createStepRange): Ditto.
(WebCore::RangeInputType::handleKeydownEvent): Ditto.
* html/StepRange.cpp:
(WebCore::StepRange::parseStep): Ditto.
* html/canvas/CanvasStyle.cpp:
(WebCore::parseColor): Ditto.
* html/parser/HTMLConstructionSite.cpp:
(WebCore::HTMLConstructionSite::setCompatibilityModeFromDoctype): Ditto.
* html/parser/HTMLElementStack.cpp:
(WebCore::HTMLElementStack::isHTMLIntegrationPoint): Ditto.
* html/parser/HTMLMetaCharsetParser.cpp:
(WebCore::HTMLMetaCharsetParser::encodingFromMetaAttributes): Ditto.
* html/parser/HTMLPreloadScanner.cpp:
(WebCore::TokenPreloadScanner::StartTagScanner::processAttribute): Ditto.
(WebCore::TokenPreloadScanner::StartTagScanner::crossOriginModeAllowsCookies): Ditto.
* html/parser/HTMLTreeBuilder.cpp:
(WebCore::HTMLTreeBuilder::processStartTagForInBody): Ditto.
(WebCore::HTMLTreeBuilder::processStartTagForInTable): Ditto.
* html/parser/XSSAuditor.cpp:
(WebCore::isDangerousHTTPEquiv): Ditto.

* html/track/WebVTTParser.cpp:
(WebCore::WebVTTParser::hasRequiredFileIdentifier): Removed unneeded special case
for empty string.

* inspector/InspectorPageAgent.cpp:
(WebCore::createXHRTextDecoder): Use equalLettersIgnoringASCIICase.
* inspector/NetworkResourcesData.cpp:
(WebCore::createOtherResourceTextDecoder): Ditto.
* loader/CrossOriginAccessControl.cpp:
(WebCore::isOnAccessControlSimpleRequestHeaderWhitelist): Ditto.
* loader/DocumentLoader.cpp:
(WebCore::DocumentLoader::continueAfterContentPolicy): Ditto.
* loader/FormSubmission.cpp:
(WebCore::appendMailtoPostFormDataToURL): Ditto.
(WebCore::FormSubmission::Attributes::parseEncodingType): Ditto.
(WebCore::FormSubmission::Attributes::parseMethodType): Ditto.
* loader/FrameLoader.cpp:
(WebCore::FrameLoader::shouldPerformFragmentNavigation): Ditto.
(WebCore::FrameLoader::shouldTreatURLAsSrcdocDocument): Ditto.
* loader/ImageLoader.cpp:
(WebCore::ImageLoader::updateFromElement): Ditto.
* loader/MediaResourceLoader.cpp:
(WebCore::MediaResourceLoader::start): Ditto.
* loader/SubframeLoader.cpp:
(WebCore::SubframeLoader::createJavaAppletWidget): Ditto.
* loader/TextResourceDecoder.cpp:
(WebCore::TextResourceDecoder::determineContentType): Ditto.
* loader/TextTrackLoader.cpp:
(WebCore::TextTrackLoader::load): Ditto.
* loader/appcache/ApplicationCache.cpp:
(WebCore::ApplicationCache::requestIsHTTPOrHTTPSGet): Ditto.
* loader/cache/CachedCSSStyleSheet.cpp:
(WebCore::CachedCSSStyleSheet::canUseSheet): Ditto.
* loader/cache/CachedResource.cpp:
(WebCore::shouldCacheSchemeIndefinitely): Ditto.
* page/DOMSelection.cpp:
(WebCore::DOMSelection::modify): Ditto.
* page/EventSource.cpp:
(WebCore::EventSource::didReceiveResponse): Ditto.
* page/FrameView.cpp:
(WebCore::FrameView::scrollToAnchor): Ditto.
* page/Performance.cpp:
(WebCore::Performance::webkitGetEntriesByType): Ditto.
* page/PerformanceResourceTiming.cpp:
(WebCore::passesTimingAllowCheck): Ditto.

* page/SecurityOrigin.cpp:
(WebCore::SecurityOrigin::SecurityOrigin): Use emptyString.
(WebCore::SecurityOrigin::toString): Use ASCIILiteral.
(WebCore::SecurityOrigin::databaseIdentifier): Ditto.

* page/UserContentURLPattern.cpp:
(WebCore::UserContentURLPattern::parse): Use equalLettersIgnoringASCIICase.
(WebCore::UserContentURLPattern::matches): Ditto.
* platform/URL.cpp:
(WebCore::URL::protocolIs): Ditto.

* platform/graphics/avfoundation/CDMPrivateMediaSourceAVFObjC.mm:
(WebCore::CDMPrivateMediaSourceAVFObjC::supportsKeySystemAndMimeType):
Changed to use early exit and equalLettersIgnoringASCIICase. Added comment
about inconsistency with next function.
(WebCore::CDMPrivateMediaSourceAVFObjC::supportsMIMEType): Added comment
about inconsistency with previous function.

* platform/graphics/avfoundation/objc/CDMSessionAVContentKeySession.mm:
(WebCore::CDMSessionAVContentKeySession::generateKeyRequest):
Use equalLettersIgnoringASCIICase.
* platform/graphics/avfoundation/objc/CDMSessionAVStreamSession.mm:
(WebCore::CDMSessionAVStreamSession::generateKeyRequest): Ditto.
* platform/graphics/cg/ImageBufferCG.cpp:
(WebCore::utiFromMIMEType): Ditto.

* platform/graphics/cocoa/FontCacheCoreText.cpp:
(WebCore::FontCache::similarFont): Changed to not use so many global
variables and use equalLettersIgnoringASCIICase.
* platform/graphics/ios/FontCacheIOS.mm:
(WebCore::platformFontWithFamilySpecialCase): Ditto.

* platform/graphics/mac/FontCustomPlatformData.cpp:
(WebCore::FontCustomPlatformData::supportsFormat): Use equalLettersIgnoringASCIICase.
* platform/mac/PasteboardMac.mm:
(WebCore::Pasteboard::readString): Ditto.
* platform/network/BlobResourceHandle.cpp:
(WebCore::BlobResourceHandle::createAsync): Ditto.
(WebCore::BlobResourceHandle::loadResourceSynchronously): Ditto.
* platform/network/CacheValidation.cpp:
(WebCore::parseCacheControlDirectives): Ditto.
* platform/network/FormData.h:
(WebCore::FormData::parseEncodingType): Ditto.
* platform/network/HTTPParsers.cpp:
(WebCore::contentDispositionType): Ditto.
(WebCore::parseXFrameOptionsHeader): Ditto.

* platform/network/ResourceResponseBase.cpp:
(WebCore::ResourceResponseBase::isHTTP): Use protocolIsInHTTPFamily, which is
both clearer and more efficient.
(WebCore::ResourceResponseBase::isAttachment): Rewrite to be a bit more terse
and use equalLettersIgnoringASCIICase.

* platform/network/cf/ResourceHandleCFURLConnectionDelegate.cpp:
(WebCore::ResourceHandleCFURLConnectionDelegate::createResourceRequest):
Use equalLettersIgnoringASCIICase.
* platform/network/mac/ResourceHandleMac.mm:
(WebCore::ResourceHandle::willSendRequest): Ditto.
* platform/sql/SQLiteDatabase.cpp:
(WebCore::SQLiteDatabase::open): Ditto.
* platform/sql/SQLiteStatement.cpp:
(WebCore::SQLiteStatement::isColumnDeclaredAsBlob): Ditto.

* platform/text/TextEncodingRegistry.cpp:
(WebCore::defaultTextEncodingNameForSystemLanguage): Use ASCIILiteral
and equalLettersIgnoringASCIICase.

* rendering/mathml/RenderMathMLFraction.cpp:
(WebCore::RenderMathMLFraction::updateFromElement): Use equalLettersIgnoringASCIICase.
* svg/SVGToOTFFontConversion.cpp:
(WebCore::SVGToOTFFontConverter::compareCodepointsLexicographically): Ditto.
(WebCore::SVGToOTFFontConverter::SVGToOTFFontConverter): Ditto.
* testing/InternalSettings.cpp:
(WebCore::InternalSettings::setEditingBehavior): Ditto.
(WebCore::InternalSettings::setShouldDisplayTrackKind): Ditto.
(WebCore::InternalSettings::shouldDisplayTrackKind): Ditto.
* testing/Internals.cpp:
(WebCore::markerTypeFrom): Ditto.
(WebCore::markerTypesFrom): Ditto.
(WebCore::Internals::mediaElementHasCharacteristic): Ditto.
(WebCore::Internals::setCaptionDisplayMode): Ditto.
(WebCore::Internals::beginMediaSessionInterruption): Ditto.
(WebCore::Internals::endMediaSessionInterruption): Ditto.
(WebCore::Internals::setMediaSessionRestrictions): Ditto.
(WebCore::Internals::setMediaElementRestrictions): Ditto.
(WebCore::Internals::postRemoteControlCommand): Ditto.
(WebCore::Internals::setAudioContextRestrictions): Ditto.
(WebCore::Internals::setMockMediaPlaybackTargetPickerState): Ditto.
* testing/MockCDM.cpp:
(WebCore::MockCDM::supportsKeySystem): Ditto.
(WebCore::MockCDM::supportsKeySystemAndMimeType): Ditto.
(WebCore::MockCDM::supportsMIMEType): Ditto.
* xml/XMLHttpRequest.cpp:
(WebCore::isSetCookieHeader): Ditto.
(WebCore::XMLHttpRequest::responseXML): Ditto.
(WebCore::XMLHttpRequest::isAllowedHTTPMethod): Ditto.
(WebCore::XMLHttpRequest::didReceiveData): Ditto.

Source/WebKit:

* Storage/StorageTracker.cpp:
(WebCore::StorageTracker::syncFileSystemAndTrackerDatabase):
Removed extraneous unneeded ", true" in call to String::endsWith.
Preparation for later removing the boolean argument.

Source/WebKit/mac:

* WebCoreSupport/WebFrameLoaderClient.mm:
(WebFrameLoaderClient::createPlugin): Use equalLettersIgnoringASCIICase.

Source/WebKit2:

* UIProcess/PageLoadState.cpp:
(WebKit::PageLoadState::hasOnlySecureContent): Use the protocolIs
function from WebCore instead of calling startsWith.
* WebProcess/Plugins/Netscape/NetscapePlugin.cpp:
(WebKit::NetscapePlugin::initialize): Use equalLettersIgnoringASCIICase.

Source/WTF:

* wtf/ASCIICType.h:
(WTF::isASCIIAlphaCaselessEqual): Loosened the assertion in this function
so it can work with ASCII spaces, numeric digits, and some punctuation.
Commented that we might want to change its name later.

* wtf/Assertions.cpp:
(WTFInitializeLogChannelStatesFromString): Use equalLettersIgnoringASCIICase.

* wtf/text/AtomicString.h:
(WTF::equalLettersIgnoringASCIICase): Added. Calls the version that takes a String.

* wtf/text/StringCommon.h:
(WTF::equalLettersIgnoringASCIICase): Added. Takes a pointer to characters.
(WTF::equalLettersIgnoringASCIICaseCommonWithoutLength): Added.
(WTF::equalLettersIgnoringASCIICaseCommon): Added.

* wtf/text/StringImpl.h:
(WTF::equalLettersIgnoringASCIICase): Added. Calls equalLettersIgnoringASCIICaseCommon.

* wtf/text/StringView.h:
(WTF::equalLettersIgnoringASCIICase): Added. Calls equalLettersIgnoringASCIICaseCommon.

* wtf/text/WTFString.h: Reordered/reformatted a little.
(WTF::equalIgnoringASCIICase): Added. Calls the version that takes a StringImpl.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@195452 268f45cc-cd09-0410-ab3c-d52691b4dbfc
142 files changed