Cleanup namespace usage in Source/web[A-V]*.cpp

Source/web/IndexedDBClientImpl.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 21 matching lines @@
 #include "bindings/core/v8/WorkerScriptController.h"
 #include "core/dom/Document.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "public/web/WebKit.h"
 #include "public/web/WebPermissionClient.h"
 #include "public/web/WebSecurityOrigin.h"
 #include "web/WebLocalFrameImpl.h"
 #include "web/WorkerPermissionClient.h"
 
-
-using namespace blink;
-
 namespace blink {
 
 IndexedDBClient* IndexedDBClientImpl::create()
 {
     return new IndexedDBClientImpl();
 }
 
 bool IndexedDBClientImpl::allowIndexedDB(ExecutionContext* context, const String& name)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(context->isDocument() || context->isWorkerGlobalScope());
 
     if (context->isDocument()) {
         WebSecurityOrigin origin(context->securityOrigin());
         Document* document = toDocument(context);
         WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(document->frame());
         // FIXME: webFrame->permissionClient() returns 0 in test_shell and content_shell http://crbug.com/137269
         return !webFrame->permissionClient() || webFrame->permissionClient()->allowIndexedDB(name, origin);
     }
 
     WorkerGlobalScope& workerGlobalScope = *toWorkerGlobalScope(context);
     return WorkerPermissionClient::from(workerGlobalScope)->allowIndexedDB(name);
 }
 
 } // namespace blink