Cleanup namespace usage in Source/web/.

Source/web/tests/ActivityLoggerTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include "FrameTestHelpers.h"
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/V8DOMActivityLogger.h"
 #include "web/WebLocalFrameImpl.h"
 #include "wtf/Forward.h"
 #include "wtf/text/Base64.h"
 #include <gtest/gtest.h>
 #include <v8.h>
 
-using blink::ScriptController;
-using blink::ScriptSourceCode;
-using blink::V8DOMActivityLogger;
-using blink::toCoreStringWithUndefinedOrNullCheck;
+namespace {
+
 using blink::FrameTestHelpers::WebViewHelper;
 using blink::FrameTestHelpers::pumpPendingRequestsDoNotUse;
-
-namespace {
+using namespace blink;
 
 class TestActivityLogger : public V8DOMActivityLogger {
 public:
     virtual ~TestActivityLogger() { }
 
     void logGetter(const String& apiName) OVERRIDE
     {
         m_loggedActivities.append(apiName);
     }
 
@@ skipping 456 matching lines @@
         "blinkAddElement | script | data:text/html;charset=utf-8,D\n"
         "blinkRequestResource | Script | data:text/html;charset=utf-8,D\n"
         "blinkRequestResource | XMLHttpRequest | data:text/html;charset=utf-8,E";
     executeScriptInMainWorld(code);
     ASSERT_TRUE(verifyActivities(""));
     executeScriptInIsolatedWorld(code);
     ASSERT_TRUE(verifyActivities(expectedActivities));
 }
 
 } // namespace