Fix for bug 11598, implement lightweight control clipping mechanism for
        buttons, list boxes, and dropdown lists.  Make sure list box respects
        scrollLeft/Top/Width/Height as well as clientWidth/Height.

        Fix bugs in RenderStyle::diff.  CursorData was not being compared properly.
        vertical-align had a non-inline display check that was wrong (preventing
        dynamic changes to keyword-based vertical-align from working).

        Reviewed by mitz

        * page/EventHandler.cpp:
        (WebCore::EventHandler::selectClosestWordFromMouseEvent):
        * rendering/RenderBlock.cpp:
        (WebCore::RenderBlock::layout):
        (WebCore::RenderBlock::layoutBlock):
        (WebCore::RenderBlock::determineHorizontalPosition):
        (WebCore::RenderBlock::layoutBlockChildren):
        (WebCore::RenderBlock::paint):
        (WebCore::RenderBlock::fillHorizontalSelectionGap):
        (WebCore::RenderBlock::nodeAtPoint):
        (WebCore::RenderBlock::layoutColumns):
        * rendering/RenderBox.cpp:
        (WebCore::RenderBox::computeAbsoluteRepaintRect):
        * rendering/RenderBox.h:
        * rendering/RenderButton.cpp:
        (WebCore::RenderButton::setStyle):
        (WebCore::RenderButton::controlClipRect):
        * rendering/RenderButton.h:
        (WebCore::RenderButton::hasControlClip):
        * rendering/RenderFlexibleBox.cpp:
        (WebCore::RenderFlexibleBox::layoutBlock):
        (WebCore::RenderFlexibleBox::layoutHorizontalBox):
        (WebCore::RenderFlexibleBox::layoutVerticalBox):
        * rendering/RenderFlow.cpp:
        (WebCore::RenderFlow::addFocusRingRects):
        * rendering/RenderListBox.cpp:
        (WebCore::RenderListBox::itemBoundingBoxRect):
        (WebCore::RenderListBox::paintObject):
        (WebCore::RenderListBox::itemHeight):
        (WebCore::RenderListBox::verticalScrollbarWidth):
        (WebCore::RenderListBox::scrollWidth):
        (WebCore::RenderListBox::scrollHeight):
        (WebCore::RenderListBox::scrollLeft):
        (WebCore::RenderListBox::setScrollLeft):
        (WebCore::RenderListBox::scrollTop):
        (WebCore::RenderListBox::setScrollTop):
        (WebCore::RenderListBox::controlClipRect):
        * rendering/RenderListBox.h:
        (WebCore::RenderListBox::hasControlClip):
        * rendering/RenderMenuList.cpp:
        (WebCore::RenderMenuList::setStyle):
        (WebCore::RenderMenuList::controlClipRect):
        * rendering/RenderMenuList.h:
        (WebCore::RenderMenuList::hasControlClip):
        * rendering/RenderObject.cpp:
        (WebCore::RenderObject::verticalScrollbarWidth):
        (WebCore::RenderObject::horizontalScrollbarHeight):
        (WebCore::RenderObject::clientWidth):
        (WebCore::RenderObject::clientHeight):
        (WebCore::RenderObject::setStyle):
        * rendering/RenderObject.h:
        (WebCore::RenderObject::hasControlClip):
        (WebCore::RenderObject::controlClipRect):
        (WebCore::RenderObject::contentWidth):
        (WebCore::RenderObject::contentHeight):
        * rendering/RenderStyle.cpp:
        (WebCore::StyleVisualData::StyleVisualData):
        (WebCore::cursorDataEqvuialent):
        (WebCore::StyleInheritedData::operator==):
        (WebCore::CursorList::operator==):
        (WebCore::RenderStyle::diff):
        * rendering/RenderStyle.h:
        (WebCore::LengthBox::operator!=):
        (WebCore::StyleVisualData::operator==):
        (WebCore::CursorData::operator==):
        (WebCore::CursorData::operator!=):
        (WebCore::CursorList::operator!=):
        (WebCore::RenderStyle::setTableLayout):
        * rendering/bidi.cpp:
        (WebCore::RenderBlock::layoutInlineChildren):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@18819 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/WebCore/rendering/bidi.cpp b/WebCore/rendering/bidi.cpp
index e5a25ec..ac16d77 100644
--- a/WebCore/rendering/bidi.cpp
+++ b/WebCore/rendering/bidi.cpp
@@ -1492,9 +1492,7 @@
     invalidateVerticalPositions();
     
     m_height = borderTop() + paddingTop();
-    int toAdd = borderBottom() + paddingBottom();
-    if (includeHorizontalScrollbarSize())
-        toAdd += m_layer->horizontalScrollbarHeight();
+    int toAdd = borderBottom() + paddingBottom() + horizontalScrollbarHeight();
     
     // Figure out if we should clear out our line boxes.
     // FIXME: Handle resize eventually!