Fix unit test style in Source/web/.

Source/web/tests/ViewportTest.cpp

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 33 matching lines @@
 #include "platform/testing/UnitTestHelpers.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebUnitTestSupport.h"
 #include "public/web/WebConsoleMessage.h"
 #include "public/web/WebFrame.h"
 #include "public/web/WebScriptSource.h"
 #include "public/web/WebSettings.h"
 #include "public/web/WebViewClient.h"
 #include "web/tests/FrameTestHelpers.h"
 #include <gtest/gtest.h>
-
 #include <vector>
 
-namespace {
+namespace blink {
 
 using blink::FrameTestHelpers::UseMockScrollbarSettings;
 using blink::testing::runPendingTasks;
-using namespace blink;
 
 class ViewportTest : public ::testing::Test {
 protected:
     ViewportTest()
         : m_baseURL("http://www.test.com/")
         , m_chromeURL("chrome://")
     {
     }
 
-    virtual ~ViewportTest()
+    ~ViewportTest() override
     {
         Platform::current()->unitTestSupport()->unregisterAllMockedURLs();
     }
 
     void registerMockedHttpURLLoad(const std::string& fileName)
     {
         URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(m_baseURL.c_str()), WebString::fromUTF8(fileName.c_str()));
     }
 
     void registerMockedChromeURLLoad(const std::string& fileName)
@@ skipping 3067 matching lines @@
 
     FrameTestHelpers::WebViewHelper webViewHelper;
     webViewHelper.initializeAndLoad(m_baseURL + "viewport/viewport-warnings-7.html", true, &webFrameClient, 0, setViewportSettings);
 
     Page* page = webViewHelper.webViewImpl()->page();
     runViewportTest(page, 320, 352);
 
     EXPECT_EQ(0U, webFrameClient.messages.size());
 }
 
-} // namespace
+} // namespace blink