Cleanup namespace usage in Source/web/*.h

Source/web/WorkerPermissionClient.h

Index: Source/web/WorkerPermissionClient.h
diff --git a/Source/web/WorkerPermissionClient.h b/Source/web/WorkerPermissionClient.h
index 9a6708a3e1f949ddfe5b800857df5ccdebdf2cf1..5d8fd55f936bd3ab6b2e087916e4a69cc07fac1c 100644
--- a/Source/web/WorkerPermissionClient.h
+++ b/Source/web/WorkerPermissionClient.h
@@ -35,21 +35,17 @@
 #include "wtf/Forward.h"
 
 namespace blink {
-class ExecutionContext;
-}
-
-namespace blink {
 
+class ExecutionContext;
 class WebFrame;
 class WebPermissionCallbacks;
 class WebString;
 class WebWorkerPermissionClientProxy;
 
-class WorkerPermissionClient FINAL : public NoBaseWillBeGarbageCollectedFinalized<WorkerPermissionClient>, public WillBeHeapSupplement<blink::WorkerClients> {
+class WorkerPermissionClient FINAL : public NoBaseWillBeGarbageCollectedFinalized<WorkerPermissionClient>, public WillBeHeapSupplement<WorkerClients> {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(WorkerPermissionClient);
 public:
     static PassOwnPtrWillBeRawPtr<WorkerPermissionClient> create(PassOwnPtr<WebWorkerPermissionClientProxy>);
-
     virtual ~WorkerPermissionClient();
 
     bool allowDatabase(const WebString& name, const WebString& displayName, unsigned long estimatedSize);
@@ -57,9 +53,9 @@ public:
     bool allowIndexedDB(const WebString& name);
 
     static const char* supplementName();
-    static WorkerPermissionClient* from(blink::ExecutionContext&);
+    static WorkerPermissionClient* from(ExecutionContext&);
 
-    virtual void trace(blink::Visitor* visitor) OVERRIDE { WillBeHeapSupplement<blink::WorkerClients>::trace(visitor); }
+    virtual void trace(Visitor* visitor) OVERRIDE { WillBeHeapSupplement<WorkerClients>::trace(visitor); }
 
 private:
     explicit WorkerPermissionClient(PassOwnPtr<WebWorkerPermissionClientProxy>);
@@ -67,7 +63,7 @@ private:
     OwnPtr<WebWorkerPermissionClientProxy> m_proxy;
 };
 
-void providePermissionClientToWorker(blink::WorkerClients*, PassOwnPtr<WebWorkerPermissionClientProxy>);
+void providePermissionClientToWorker(WorkerClients*, PassOwnPtr<WebWorkerPermissionClientProxy>);
 
 } // namespace blink