Implement interfaces in PaintInfo and make it a class.

Source/core/rendering/RenderThemeChromiumSkia.h

 /*
  * This file is part of the WebKit project.
  *
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
  * Copyright (C) 2007 Holger Hans Peter Freyther
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2008, 2009 Google, Inc.
  * All rights reserved.
  *
@@ skipping 63 matching lines @@
     virtual void setRadioSize(RenderStyle*) const;
 
     virtual void adjustButtonStyle(RenderStyle*, Element*) const;
 
     virtual bool paintTextArea(RenderObject*, const PaintInfo&, const IntRect&);
 
     virtual void adjustSearchFieldStyle(RenderStyle*, Element*) const;
     virtual bool paintSearchField(RenderObject*, const PaintInfo&, const IntRect&);
 
     virtual void adjustSearchFieldCancelButtonStyle(RenderStyle*, Element*) const;
-    virtual bool paintSearchFieldCancelButton(RenderObject*, const PaintInfo&, const IntRect&);
+    virtual bool paintSearchFieldCancelButton(RenderObject*, PaintInfo&, const IntRect&);
 
     virtual void adjustSearchFieldDecorationStyle(RenderStyle*, Element*) const;
 
     virtual void adjustSearchFieldResultsDecorationStyle(RenderStyle*, Element*) const;
-    virtual bool paintSearchFieldResultsDecoration(RenderObject*, const PaintInfo&, const IntRect&);
+    virtual bool paintSearchFieldResultsDecoration(RenderObject*, PaintInfo&, const IntRect&);
 
-    virtual bool paintMediaSliderTrack(RenderObject*, const PaintInfo&, const IntRect&);
-    virtual bool paintMediaVolumeSliderTrack(RenderObject*, const PaintInfo&, const IntRect&);
+    virtual bool paintMediaSliderTrack(RenderObject*, PaintInfo&, const IntRect&);
+    virtual bool paintMediaVolumeSliderTrack(RenderObject*, PaintInfo&, const IntRect&);
     virtual void adjustSliderThumbSize(RenderStyle*, Element*) const;
-    virtual bool paintMediaSliderThumb(RenderObject*, const PaintInfo&, const IntRect&);
-    virtual bool paintMediaToggleClosedCaptionsButton(RenderObject*, const PaintInfo&, const IntRect&);
-    virtual bool paintMediaVolumeSliderThumb(RenderObject*, const PaintInfo&, const IntRect&);
-    virtual bool paintMediaPlayButton(RenderObject*, const PaintInfo&, const IntRect&);
-    virtual bool paintMediaMuteButton(RenderObject*, const PaintInfo&, const IntRect&);
+    virtual bool paintMediaSliderThumb(RenderObject*, PaintInfo&, const IntRect&);
+    virtual bool paintMediaToggleClosedCaptionsButton(RenderObject*, PaintInfo&, const IntRect&);
+    virtual bool paintMediaVolumeSliderThumb(RenderObject*, PaintInfo&, const IntRect&);
+    virtual bool paintMediaPlayButton(RenderObject*, PaintInfo&, const IntRect&);
+    virtual bool paintMediaMuteButton(RenderObject*, PaintInfo&, const IntRect&);
     virtual String formatMediaControlsTime(float time) const;
     virtual String formatMediaControlsCurrentTime(float currentTime, float duration) const;
-    virtual bool paintMediaFullscreenButton(RenderObject*, const PaintInfo&, const IntRect&);
+    virtual bool paintMediaFullscreenButton(RenderObject*, PaintInfo&, const IntRect&);
 
     // MenuList refers to an unstyled menulist (meaning a menulist without
     // background-color or border set) and MenuListButton refers to a styled
     // menulist (a menulist with background-color or border set). They have
     // this distinction to support showing aqua style themes whenever they
     // possibly can, which is something we don't want to replicate.
     //
     // In short, we either go down the MenuList code path or the MenuListButton
     // codepath. We never go down both. And in both cases, they render the
     // entire menulist.
@@ skipping 25 matching lines @@
     virtual double caretBlinkIntervalInternal() const;
 
     virtual int menuListArrowPadding() const;
 
     IntRect determinateProgressValueRectFor(RenderProgress*, const IntRect&) const;
     IntRect indeterminateProgressValueRectFor(RenderProgress*, const IntRect&) const;
     IntRect progressValueRectFor(RenderProgress*, const IntRect&) const;
 
     class DirectionFlippingScope {
     public:
-        DirectionFlippingScope(RenderObject*, const PaintInfo&, const IntRect&);
+        DirectionFlippingScope(RenderObject*, PaintInfo&, const IntRect&);
         ~DirectionFlippingScope();
 
     private:
         bool m_needsFlipping;
-        const PaintInfo& m_paintInfo;
+        PaintInfo& m_paintInfo;
     };
 
 private:
     virtual bool shouldShowPlaceholderWhenFocused() const OVERRIDE;
 
     int menuListInternalPadding(RenderStyle*, int paddingType) const;
     bool paintMediaButtonInternal(GraphicsContext*, const IntRect&, Image*);
     IntRect convertToPaintingRect(RenderObject* inputRenderer, const RenderObject* partRenderer, LayoutRect partRect, const IntRect& localOffset) const;
 
     static const RGBA32 defaultTapHighlightColor = 0x2e000000; // 18% black.
 };
 
 } // namespace WebCore
 
 #endif // RenderThemeChromiumSkia_h