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

Source/web/PopupMenuChromium.h

 /*
  * Copyright (c) 2008, 2009, 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 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef PopupMenuChromium_h
 #define PopupMenuChromium_h
 
 #include "platform/PopupMenu.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
+
 class LocalFrame;
 class FrameView;
+class PopupContainer;
 class PopupMenuClient;
-}
 
-namespace blink {
-
-class PopupContainer;
-
-class PopupMenuChromium FINAL : public blink::PopupMenu {
+class PopupMenuChromium FINAL : public PopupMenu {
 public:
-    PopupMenuChromium(blink::LocalFrame&, blink::PopupMenuClient*);
+    PopupMenuChromium(LocalFrame&, PopupMenuClient*);
     virtual ~PopupMenuChromium();
 
-    virtual void show(const blink::FloatQuad& controlPosition, const blink::IntSize& controlSize, int index) OVERRIDE;
+    virtual void show(const FloatQuad& controlPosition, const IntSize& controlSize, int index) OVERRIDE;
     virtual void hide() OVERRIDE;
     virtual void updateFromElement() OVERRIDE;
     virtual void disconnectClient() OVERRIDE;
 
 private:
-    blink::PopupMenuClient* m_popupClient;
-    RefPtr<blink::FrameView> m_frameView;
+    PopupMenuClient* m_popupClient;
+    RefPtr<FrameView> m_frameView;
     RefPtr<PopupContainer> m_popup;
 };
 
 } // namespace blink
 
 #endif