Cleanup namespace usage from animation to exported in platform/

Source/platform/exported/WebScrollbarThemeGeometryNative.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 14 matching lines @@
 
 #ifndef WebScrollbarThemeGeometryNative_h
 #define WebScrollbarThemeGeometryNative_h
 
 #include "platform/PlatformExport.h"
 #include "public/platform/WebRect.h"
 #include "public/platform/WebScrollbarThemeGeometry.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace blink {
+
 class ScrollbarTheme;
-}
-
-namespace blink {
-
 class WebScrollbar;
 
 class PLATFORM_EXPORT WebScrollbarThemeGeometryNative : public WebScrollbarThemeGeometry {
 public:
-    static PassOwnPtr<WebScrollbarThemeGeometryNative> create(blink::ScrollbarTheme*);
+    static PassOwnPtr<WebScrollbarThemeGeometryNative> create(ScrollbarTheme*);
 
     // WebScrollbarThemeGeometry overrides
     virtual WebScrollbarThemeGeometryNative* clone() const OVERRIDE;
     virtual int thumbPosition(WebScrollbar*) OVERRIDE;
     virtual int thumbLength(WebScrollbar*) OVERRIDE;
     virtual int trackPosition(WebScrollbar*) OVERRIDE;
     virtual int trackLength(WebScrollbar*) OVERRIDE;
     virtual bool hasButtons(WebScrollbar*) OVERRIDE;
     virtual bool hasThumb(WebScrollbar*) OVERRIDE;
     virtual WebRect trackRect(WebScrollbar*) OVERRIDE;
     virtual WebRect thumbRect(WebScrollbar*) OVERRIDE;
     virtual int minimumThumbLength(WebScrollbar*) OVERRIDE;
     virtual int scrollbarThickness(WebScrollbar*) OVERRIDE;
     virtual WebRect backButtonStartRect(WebScrollbar*) OVERRIDE;
     virtual WebRect backButtonEndRect(WebScrollbar*) OVERRIDE;
     virtual WebRect forwardButtonStartRect(WebScrollbar*) OVERRIDE;
     virtual WebRect forwardButtonEndRect(WebScrollbar*) OVERRIDE;
     virtual WebRect constrainTrackRectToTrackPieces(WebScrollbar*, const WebRect&) OVERRIDE;
     virtual void splitTrack(WebScrollbar*, const WebRect& track, WebRect& startTrack, WebRect& thumb, WebRect& endTrack) OVERRIDE;
 
 private:
-    explicit WebScrollbarThemeGeometryNative(blink::ScrollbarTheme*);
+    explicit WebScrollbarThemeGeometryNative(ScrollbarTheme*);
 
     // The theme is not owned by this class. It is assumed that the theme is a
     // static pointer and its lifetime is essentially infinite. Only thread-safe
     // functions on the theme can be called by this theme.
-    blink::ScrollbarTheme* m_theme;
+    ScrollbarTheme* m_theme;
 };
 
 } // namespace blink
 
 #endif