Cleanup namespace usage in public/platform/{Web[P-W]*,linux/*}.h

public/platform/WebScrollbarThemePainter.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 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebScrollbarThemePainter_h
 #define WebScrollbarThemePainter_h
 
 #include "WebCanvas.h"
 
 namespace blink {
+
 class ScrollbarTheme;
 class Scrollbar;
-};
-
-namespace blink {
-
 class WebScrollbar;
 struct WebRect;
 
 class WebScrollbarThemePainter {
 public:
     WebScrollbarThemePainter() : m_theme(0) { }
     WebScrollbarThemePainter(const WebScrollbarThemePainter& painter) { assign(painter); }
     virtual ~WebScrollbarThemePainter() { }
     WebScrollbarThemePainter& operator=(const WebScrollbarThemePainter& painter)
     {
         assign(painter);
         return *this;
     }
 
     BLINK_EXPORT void assign(const WebScrollbarThemePainter&);
 
     BLINK_EXPORT void paintScrollbarBackground(WebCanvas*, const WebRect&);
     BLINK_EXPORT void paintTrackBackground(WebCanvas*, const WebRect&);
     BLINK_EXPORT void paintBackTrackPart(WebCanvas*, const WebRect&);
     BLINK_EXPORT void paintForwardTrackPart(WebCanvas*, const WebRect&);
     BLINK_EXPORT void paintBackButtonStart(WebCanvas*, const WebRect&);
     BLINK_EXPORT void paintBackButtonEnd(WebCanvas*, const WebRect&);
     BLINK_EXPORT void paintForwardButtonStart(WebCanvas*, const WebRect&);
     BLINK_EXPORT void paintForwardButtonEnd(WebCanvas*, const WebRect&);
     BLINK_EXPORT void paintTickmarks(WebCanvas*, const WebRect&);
     BLINK_EXPORT void paintThumb(WebCanvas*, const WebRect&);
 
 #if BLINK_IMPLEMENTATION
-    WebScrollbarThemePainter(blink::ScrollbarTheme*, blink::Scrollbar*);
+    WebScrollbarThemePainter(ScrollbarTheme*, Scrollbar*);
 #endif
 
 private:
     // The theme is not owned by this class. It is assumed that the theme is a
     // static pointer and its lifetime is essentially infinite. The functions
     // called from the painter may not be thread-safe, so all calls must be made
     // from the same thread that it is created on.
-    blink::ScrollbarTheme* m_theme;
+    ScrollbarTheme* m_theme;
 
     // It is assumed that the constructor of this paint object is responsible
     // for the lifetime of this scrollbar. The painter has to use the real
     // scrollbar (and not a WebScrollbar wrapper) due to static_casts for
     // RenderScrollbar and pointer-based HashMap lookups for Lion scrollbars.
-    blink::Scrollbar* m_scrollbar;
+    Scrollbar* m_scrollbar;
 };
 
 } // namespace blink
 
 #endif