Cleanup namespace usage in Source/web/Web*.h

Source/web/WebEmbeddedWorkerImpl.h

Index: Source/web/WebEmbeddedWorkerImpl.h
diff --git a/Source/web/WebEmbeddedWorkerImpl.h b/Source/web/WebEmbeddedWorkerImpl.h
index 6333270d653c039878daa99ba36ea633dd95b93d..d4b7ce98137e31bf3316bf01089867be166b84d0 100644
--- a/Source/web/WebEmbeddedWorkerImpl.h
+++ b/Source/web/WebEmbeddedWorkerImpl.h
@@ -37,15 +37,12 @@
 #include "public/web/WebFrameClient.h"
 
 namespace blink {
-class WorkerScriptLoader;
-class WorkerThread;
-}
-
-namespace blink {
 
 class ServiceWorkerGlobalScopeProxy;
 class WebServiceWorkerNetworkProvider;
 class WebView;
+class WorkerScriptLoader;
+class WorkerThread;
 
 class WebEmbeddedWorkerImpl FINAL
     : public WebEmbeddedWorker
@@ -102,7 +99,7 @@ private:
     // Kept around only while main script loading is ongoing.
     OwnPtr<Loader> m_mainScriptLoader;
 
-    RefPtr<blink::WorkerThread> m_workerThread;
+    RefPtr<WorkerThread> m_workerThread;
     OwnPtr<LoaderProxy> m_loaderProxy;
     OwnPtr<ServiceWorkerGlobalScopeProxy> m_workerGlobalScopeProxy;