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

public/web/WebSpeechRecognitionHandle.h

Index: public/web/WebSpeechRecognitionHandle.h
diff --git a/public/web/WebSpeechRecognitionHandle.h b/public/web/WebSpeechRecognitionHandle.h
index 40503c00a59b18e4da791c80aacffb8f74aba8b7..aaf284f5fea111d390590728b739d8cae595443f 100644
--- a/public/web/WebSpeechRecognitionHandle.h
+++ b/public/web/WebSpeechRecognitionHandle.h
@@ -30,11 +30,8 @@
 #include "../platform/WebPrivatePtr.h"
 
 namespace blink {
-class SpeechRecognition;
-}
-
-namespace blink {
 
+class SpeechRecognition;
 class WebSpeechRecognitionResult;
 class WebString;
 
@@ -62,13 +59,13 @@ public:
     BLINK_EXPORT bool lessThan(const WebSpeechRecognitionHandle&) const;
 
 #if BLINK_IMPLEMENTATION
-    explicit WebSpeechRecognitionHandle(blink::SpeechRecognition*);
-    WebSpeechRecognitionHandle& operator=(blink::SpeechRecognition*);
-    operator blink::SpeechRecognition*() const;
+    explicit WebSpeechRecognitionHandle(SpeechRecognition*);
+    WebSpeechRecognitionHandle& operator=(SpeechRecognition*);
+    operator SpeechRecognition*() const;
 #endif
 
 private:
-    WebPrivatePtr<blink::SpeechRecognition> m_private;
+    WebPrivatePtr<SpeechRecognition> m_private;
 };
 
 inline bool operator==(const WebSpeechRecognitionHandle& a, const WebSpeechRecognitionHandle& b)