Move code from StyleResolver to ViewportStyleResolver.

Source/core/css/CSSDefaultStyleSheets.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 21 matching lines @@
 class StyleSheetContents;
 
 class CSSDefaultStyleSheets : public NoBaseWillBeGarbageCollected<CSSDefaultStyleSheets> {
 public:
     static CSSDefaultStyleSheets& instance();
 
     void ensureDefaultStyleSheetsForElement(Element*, bool& changedDefaultStyle);
 
     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();
     RuleSet* defaultTransitionStyle();
 
     // FIXME: Remove WAP support.
     RuleSet* defaultXHTMLMobileProfileStyle();
 
     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(); }
     StyleSheetContents* mediaControlsStyleSheet() { return m_mediaControlsStyleSheet.get(); }
     StyleSheetContents* fullscreenStyleSheet() { return m_fullscreenStyleSheet.get(); }
 
     DECLARE_TRACE();
 
 private:
     CSSDefaultStyleSheets();
 
     OwnPtrWillBeMember<RuleSet> m_defaultStyle;
     OwnPtrWillBeMember<RuleSet> m_defaultViewportStyle;
+    OwnPtrWillBeMember<RuleSet> m_defaultViewportOverrideStyle;
     OwnPtrWillBeMember<RuleSet> m_defaultQuirksStyle;
     OwnPtrWillBeMember<RuleSet> m_defaultPrintStyle;
     OwnPtrWillBeMember<RuleSet> m_defaultViewSourceStyle;
     OwnPtrWillBeMember<RuleSet> m_defaultXHTMLMobileProfileStyle;
     OwnPtrWillBeMember<RuleSet> m_defaultTransitionStyle;
 
     RefPtrWillBeMember<StyleSheetContents> m_defaultStyleSheet;
     RefPtrWillBeMember<StyleSheetContents> m_viewportStyleSheet;
+    RefPtrWillBeMember<StyleSheetContents> m_viewportOverrideStyleSheet;
     RefPtrWillBeMember<StyleSheetContents> m_quirksStyleSheet;
     RefPtrWillBeMember<StyleSheetContents> m_svgStyleSheet;
     RefPtrWillBeMember<StyleSheetContents> m_mathmlStyleSheet;
     RefPtrWillBeMember<StyleSheetContents> m_mediaControlsStyleSheet;
     RefPtrWillBeMember<StyleSheetContents> m_fullscreenStyleSheet;
 };
 
 } // namespace blink
 
 #endif // CSSDefaultStyleSheets_h