Cleanup namespace usage in Source/web/Web[I-Z]*.cpp

Source/web/WebSpeechGrammar.cpp

 /*
  * Copyright (C) 2012 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 copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 23 matching lines @@
 void WebSpeechGrammar::reset()
 {
     m_private.reset();
 }
 
 void WebSpeechGrammar::assign(const WebSpeechGrammar& other)
 {
     m_private = other.m_private;
 }
 
-WebSpeechGrammar::WebSpeechGrammar(blink::SpeechGrammar* value)
+WebSpeechGrammar::WebSpeechGrammar(SpeechGrammar* value)
     : m_private(value)
 {
 }
 
-WebSpeechGrammar& WebSpeechGrammar::operator=(blink::SpeechGrammar* value)
+WebSpeechGrammar& WebSpeechGrammar::operator=(SpeechGrammar* value)
 {
     m_private = value;
     return *this;
 }
 
 WebURL WebSpeechGrammar::src() const
 {
     BLINK_ASSERT(m_private.get());
     return m_private->src();
 }
 
 float WebSpeechGrammar::weight() const
 {
     BLINK_ASSERT(m_private.get());
     return m_private->weight();
 }
 
 } // namespace blink