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

Source/modules/screen_orientation/LockOrientationCallback.h

Index: Source/modules/screen_orientation/LockOrientationCallback.h
diff --git a/Source/modules/screen_orientation/LockOrientationCallback.h b/Source/modules/screen_orientation/LockOrientationCallback.h
index 4d356c0dc7ad8d70dabde8812a2673ec29e78d8b..8947f7944978ce22f50caf2461ba3a67c7a0d020 100644
--- a/Source/modules/screen_orientation/LockOrientationCallback.h
+++ b/Source/modules/screen_orientation/LockOrientationCallback.h
@@ -18,14 +18,14 @@ class ScriptPromiseResolver;
 // LockOrientationCallback is an implementation of WebLockOrientationCallback
 // that will resolve the underlying promise depending on the result passed to
 // the callback.
-class LockOrientationCallback FINAL : public blink::WebLockOrientationCallback {
+class LockOrientationCallback FINAL : public WebLockOrientationCallback {
     WTF_MAKE_NONCOPYABLE(LockOrientationCallback);
 public:
     explicit LockOrientationCallback(PassRefPtr<ScriptPromiseResolver>);
     virtual ~LockOrientationCallback();
 
     virtual void onSuccess() OVERRIDE;
-    virtual void onError(blink::WebLockOrientationError) OVERRIDE;
+    virtual void onError(WebLockOrientationError) OVERRIDE;
 
 private:
     RefPtr<ScriptPromiseResolver> m_resolver;