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

Source/web/WebSpeechGrammar.cpp

Index: Source/web/WebSpeechGrammar.cpp
diff --git a/Source/web/WebSpeechGrammar.cpp b/Source/web/WebSpeechGrammar.cpp
index 01ca16a3f3c4dfb0ef966c103d20eb907b0b1ae1..aea3e1632d333ca421232bc593b281251f1faa0e 100644
--- a/Source/web/WebSpeechGrammar.cpp
+++ b/Source/web/WebSpeechGrammar.cpp
@@ -41,12 +41,12 @@ 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;