Cleanup namespace usage in public/web/Web[N-Z]*.h.

public/web/WebPageSerializerClient.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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebPageSerializerClient_h
 #define WebPageSerializerClient_h
 
 namespace blink {
+
 class WebCString;
 class WebURL;
 
 // This class is used for providing sink interface that can be used to receive
 // the individual chunks of data to be saved.
 class WebPageSerializerClient {
 public:
     // This enum indicates  This sink interface can receive the individual chunks
     // of serialized data to be saved, so we use values of following enum
     // definition to indicate the serialization status of serializing all html
@@ skipping 21 matching lines @@
                                           PageSerializationStatus status) = 0;
     WebPageSerializerClient() { }
 
 protected:
     virtual ~WebPageSerializerClient() { }
 };
 
 }  // namespace blink
 
 #endif