Merge 125220 - Reimplement RenderQuote placement algorithm

Source/WebCore/rendering/style/RenderStyle.cpp

Index: Source/WebCore/rendering/style/RenderStyle.cpp
===================================================================
--- Source/WebCore/rendering/style/RenderStyle.cpp	(revision 127610)
+++ Source/WebCore/rendering/style/RenderStyle.cpp	(working copy)
@@ -580,6 +580,9 @@
         return StyleDifferenceLayout;
     }
 
+    if (!QuotesData::equals(rareInheritedData->quotes.get(), other->rareInheritedData->quotes.get()))
+        return StyleDifferenceLayout;
+
 #if ENABLE(SVG)
     // SVGRenderStyle::diff() might have returned StyleDifferenceRepaint, eg. if fill changes.
     // If eg. the font-size changed at the same time, we're not allowed to return StyleDifferenceRepaint,