Move code from StyleResolver to ViewportStyleResolver.

Source/core/css/CSSDefaultStyleSheets.h

Index: Source/core/css/CSSDefaultStyleSheets.h
diff --git a/Source/core/css/CSSDefaultStyleSheets.h b/Source/core/css/CSSDefaultStyleSheets.h
index f547365c54dd5b62ed082f56970637750714ed7e..828f8331de780fedb45ce7506576f638cf98ab3e 100644
--- a/Source/core/css/CSSDefaultStyleSheets.h
+++ b/Source/core/css/CSSDefaultStyleSheets.h
@@ -39,6 +39,7 @@ public:
 
     RuleSet* defaultStyle() { return m_defaultStyle.get(); }
     RuleSet* defaultViewportStyle() { return m_defaultViewportStyle.get(); }
+    RuleSet* defaultViewportOverrideStyle() { return m_defaultViewportOverrideStyle.get(); }

[dgozman, 2015/03/05 10:55:53]

I'd rename this to |defaultMobileViewportStyle| to emphasize it's content rather
than usage.

[rune, 2015/03/05 12:11:50]

Acknowledged.

     RuleSet* defaultQuirksStyle() { return m_defaultQuirksStyle.get(); }
     RuleSet* defaultPrintStyle() { return m_defaultPrintStyle.get(); }
     RuleSet* defaultViewSourceStyle();
@@ -49,6 +50,7 @@ public:
 
     StyleSheetContents* defaultStyleSheet() { return m_defaultStyleSheet.get(); }
     StyleSheetContents* viewportStyleSheet() { return m_viewportStyleSheet.get(); }
+    StyleSheetContents* viewportOverrideStyleSheet() { return m_viewportOverrideStyleSheet.get(); }
     StyleSheetContents* quirksStyleSheet() { return m_quirksStyleSheet.get(); }
     StyleSheetContents* svgStyleSheet() { return m_svgStyleSheet.get(); }
     StyleSheetContents* mathmlStyleSheet() { return m_mathmlStyleSheet.get(); }
@@ -62,6 +64,7 @@ private:
 
     OwnPtrWillBeMember<RuleSet> m_defaultStyle;
     OwnPtrWillBeMember<RuleSet> m_defaultViewportStyle;
+    OwnPtrWillBeMember<RuleSet> m_defaultViewportOverrideStyle;
     OwnPtrWillBeMember<RuleSet> m_defaultQuirksStyle;
     OwnPtrWillBeMember<RuleSet> m_defaultPrintStyle;
     OwnPtrWillBeMember<RuleSet> m_defaultViewSourceStyle;
@@ -70,6 +73,7 @@ private:
 
     RefPtrWillBeMember<StyleSheetContents> m_defaultStyleSheet;
     RefPtrWillBeMember<StyleSheetContents> m_viewportStyleSheet;
+    RefPtrWillBeMember<StyleSheetContents> m_viewportOverrideStyleSheet;
     RefPtrWillBeMember<StyleSheetContents> m_quirksStyleSheet;
     RefPtrWillBeMember<StyleSheetContents> m_svgStyleSheet;
     RefPtrWillBeMember<StyleSheetContents> m_mathmlStyleSheet;