[iOS] More build fixes for WebKit

Source/WebKit:

Add iOS-specific logic to build phases: "Symlink WebKitPluginHost in to place" and "Migrate Headers".

* WebKit.xcodeproj/project.pbxproj:

Source/WebKit/mac:

* Configurations/Base.xcconfig: Removed extraneous definition of SUPPORTED_PLATFORMS.
* Configurations/WebKit.xcconfig: Exclude more Mac-specific files when building for iOS:
CarbonUtils.m, CarbonWindowAdapter.mm, CarbonWindowContentView.m, CarbonWindowFrame.m,
HIViewAdapter.m, HIWebView.mm, MailQuirksUserScript.js, OutlookQuirksUserScript.js,
PopupMenuMac.mm, SearchPopupMenuMac.mm, WebClipView.mm, WebInspectorClient.mm,
WebNetscapeContainerCheckContextInfo.mm, WebNetscapeContainerCheckPrivate.mm, WebRenderNode.mm,
WebStringTruncator.mm, and WebTextCompletionController.mm. I haven't verified the Mac-specific
nature of each of these files. We may be able to reduce this list upon further investigation.
* WebView/WebDocument.h: Include header <WebKit/WAKView.h> for definition of WAKView.
* WebView/WebFrameView.h: Ditto.
* WebView/WebUIDelegate.h: Ditto.
* WebView/WebView.h: Ditto.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@161908 268f45cc-cd09-0410-ab3c-d52691b4dbfc
9 files changed