Cleanup namespace usage in Source/web/*.h

Source/web/EditorClientImpl.h

 /*
  * Copyright (C) 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 EditorClientImpl_h
 #define EditorClientImpl_h
 
 #include "core/page/EditorClient.h"
 #include "wtf/Forward.h"
 
 namespace blink {
+
 class LocalFrame;
 class HTMLInputElement;
-}
-
-namespace blink {
 class WebViewImpl;
 
-class EditorClientImpl FINAL : public blink::EditorClient {
+class EditorClientImpl FINAL : public EditorClient {
 public:
     explicit EditorClientImpl(WebViewImpl*);
-
     virtual ~EditorClientImpl();
 
     virtual void respondToChangedContents() OVERRIDE;
-    virtual void respondToChangedSelection(blink::LocalFrame*, blink::SelectionType) OVERRIDE;
-    virtual bool canCopyCut(blink::LocalFrame*, bool defaultValue) const OVERRIDE;
-    virtual bool canPaste(blink::LocalFrame*, bool defaultValue) const OVERRIDE;
+    virtual void respondToChangedSelection(LocalFrame*, SelectionType) OVERRIDE;
+    virtual bool canCopyCut(LocalFrame*, bool defaultValue) const OVERRIDE;
+    virtual bool canPaste(LocalFrame*, bool defaultValue) const OVERRIDE;
     virtual bool handleKeyboardEvent() OVERRIDE;
 
 private:
     WebViewImpl* m_webView;
 };
 
 } // namespace blink
 
 #endif