Cleanup namespace usage in public/web/Web[A-M]*.h.

public/web/WebHistoryItem.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 WebHistoryItem_h
 #define WebHistoryItem_h
 
 #include "../platform/WebCommon.h"
 #include "../platform/WebPrivatePtr.h"
 #include "../platform/WebReferrerPolicy.h"
 
-namespace blink { class HistoryItem; }
+namespace blink {
 
-namespace blink {
+class HistoryItem;
 class WebHTTPBody;
 class WebString;
 class WebSerializedScriptValue;
 struct WebFloatPoint;
 struct WebPoint;
 template <typename T> class WebVector;
 
 enum WebHistoryLoadType {
     WebHistorySameDocumentLoad,
     WebHistoryDifferentDocumentLoad
@@ skipping 58 matching lines @@
 
     BLINK_EXPORT WebString httpContentType() const;
     BLINK_EXPORT void setHTTPContentType(const WebString&);
 
     BLINK_EXPORT WebHTTPBody httpBody() const;
     BLINK_EXPORT void setHTTPBody(const WebHTTPBody&);
 
     BLINK_EXPORT WebVector<WebString> getReferencedFilePaths() const;
 
 #if BLINK_IMPLEMENTATION
-    WebHistoryItem(const WTF::PassRefPtr<blink::HistoryItem>&);
-    WebHistoryItem& operator=(const WTF::PassRefPtr<blink::HistoryItem>&);
-    operator WTF::PassRefPtr<blink::HistoryItem>() const;
+    WebHistoryItem(const WTF::PassRefPtr<HistoryItem>&);
+    WebHistoryItem& operator=(const WTF::PassRefPtr<HistoryItem>&);
+    operator WTF::PassRefPtr<HistoryItem>() const;
 #endif
 
 private:
-    WebPrivatePtr<blink::HistoryItem> m_private;
+    WebPrivatePtr<HistoryItem> m_private;
 };
 
 } // namespace blink
 
 #endif