Cleanup namespace usage in Source/core/modules/[mediasource/* to websockets/*]

Source/modules/mediastream/RTCSessionDescriptionRequestImpl.h

Index: Source/modules/mediastream/RTCSessionDescriptionRequestImpl.h
diff --git a/Source/modules/mediastream/RTCSessionDescriptionRequestImpl.h b/Source/modules/mediastream/RTCSessionDescriptionRequestImpl.h
index a5753afe00af3817986125a50e3f70fd9d5401d3..f759c25d883dde172e82dd9d35fcfe57eb7b2565 100644
--- a/Source/modules/mediastream/RTCSessionDescriptionRequestImpl.h
+++ b/Source/modules/mediastream/RTCSessionDescriptionRequestImpl.h
@@ -38,21 +38,18 @@
 #include "wtf/PassRefPtr.h"
 
 namespace blink {
-class WebRTCSessionDescription;
-}
-
-namespace blink {
 
 class RTCErrorCallback;
 class RTCPeerConnection;
 class RTCSessionDescriptionCallback;
+class WebRTCSessionDescription;
 
 class RTCSessionDescriptionRequestImpl FINAL : public RTCSessionDescriptionRequest, public ActiveDOMObject {
 public:
     static PassRefPtr<RTCSessionDescriptionRequestImpl> create(ExecutionContext*, RTCPeerConnection*, PassOwnPtr<RTCSessionDescriptionCallback>, PassOwnPtr<RTCErrorCallback>);
     virtual ~RTCSessionDescriptionRequestImpl();
 
-    virtual void requestSucceeded(const blink::WebRTCSessionDescription&) OVERRIDE;
+    virtual void requestSucceeded(const WebRTCSessionDescription&) OVERRIDE;
     virtual void requestFailed(const String& error) OVERRIDE;
 
     // ActiveDOMObject