Cleanup namespace usage in Source/web/[A-V]*.h

Source/web/FullscreenController.h

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 20 matching lines @@
 #ifndef FullscreenController_h
 #define FullscreenController_h
 
 #include "platform/geometry/FloatPoint.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/heap/Handle.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
+
 class Element;
 class LocalFrame;
-}
-
-namespace blink {
 class WebViewImpl;
 
 class FullscreenController {
 public:
     static PassOwnPtr<FullscreenController> create(WebViewImpl*);
 
     void willEnterFullScreen();
     void didEnterFullScreen();
     void willExitFullScreen();
     void didExitFullScreen();
 
-    void enterFullScreenForElement(blink::Element*);
-    void exitFullScreenForElement(blink::Element*);
+    void enterFullScreenForElement(Element*);
+    void exitFullScreenForElement(Element*);
 
     bool isFullscreen() { return m_fullScreenFrame; }
 
 protected:
     explicit FullscreenController(WebViewImpl*);
 
 private:
     WebViewImpl* m_webViewImpl;
 
     float m_exitFullscreenPageScaleFactor;
-    blink::IntSize m_exitFullscreenScrollOffset;
-    blink::FloatPoint m_exitFullscreenPinchViewportOffset;
+    IntSize m_exitFullscreenScrollOffset;
+    FloatPoint m_exitFullscreenPinchViewportOffset;
 
     // If set, the WebView is transitioning to fullscreen for this element.
-    RefPtrWillBePersistent<blink::Element> m_provisionalFullScreenElement;
+    RefPtrWillBePersistent<Element> m_provisionalFullScreenElement;
 
     // If set, the WebView is in fullscreen mode for an element in this frame.
-    RefPtr<blink::LocalFrame> m_fullScreenFrame;
+    RefPtr<LocalFrame> m_fullScreenFrame;
 
     bool m_isCancelingFullScreen;
 };
 
-}
+} // namespace blink
 
 #endif