Cleanup namespace usage in Source/web/*.h

Source/web/RemoteFrameClient.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef RemoteFrameClient_h
 #define RemoteFrameClient_h
 
 #include "core/frame/FrameClient.h"
 
 namespace blink {
 
 class WebRemoteFrameImpl;
 
-class RemoteFrameClient : public blink::FrameClient {
+class RemoteFrameClient : public FrameClient {
 public:
     explicit RemoteFrameClient(WebRemoteFrameImpl*);
 
     // FrameClient overrides:
-    virtual blink::Frame* opener() const OVERRIDE;
-    virtual void setOpener(blink::Frame*) OVERRIDE;
+    virtual Frame* opener() const OVERRIDE;
+    virtual void setOpener(Frame*) OVERRIDE;
 
-    virtual blink::Frame* parent() const OVERRIDE;
-    virtual blink::Frame* top() const OVERRIDE;
-    virtual blink::Frame* previousSibling() const OVERRIDE;
-    virtual blink::Frame* nextSibling() const OVERRIDE;
-    virtual blink::Frame* firstChild() const OVERRIDE;
-    virtual blink::Frame* lastChild() const OVERRIDE;
+    virtual Frame* parent() const OVERRIDE;
+    virtual Frame* top() const OVERRIDE;
+    virtual Frame* previousSibling() const OVERRIDE;
+    virtual Frame* nextSibling() const OVERRIDE;
+    virtual Frame* firstChild() const OVERRIDE;
+    virtual Frame* lastChild() const OVERRIDE;
 
     WebRemoteFrameImpl* webFrame() const { return m_webFrame; }
 
 private:
     WebRemoteFrameImpl* m_webFrame;
 };
 
 } // namespace blink
 
 #endif // RemoteFrameClient_h