Removing duplicate 'using namespace blink;' in platform and web

Source/web/tests/WebSearchableFormDataTest.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 25 matching lines @@
 #include "public/platform/Platform.h"
 #include "public/platform/WebUnitTestSupport.h"
 #include "public/web/WebDocument.h"
 #include "public/web/WebFrame.h"
 #include "web/tests/FrameTestHelpers.h"
 
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 
 using namespace blink;
-using namespace blink;
 
 class WebSearchableFormDataTest : public testing::Test {
 protected:
     WebSearchableFormDataTest()
         : m_baseURL("http://www.test.com/")
     {
     }
 
     virtual ~WebSearchableFormDataTest()
     {
@@ skipping 12 matching lines @@
     WebView* webView = m_webViewHelper.initializeAndLoad(m_baseURL + "search_form.html");
 
     WebVector<WebFormElement> forms;
     webView->mainFrame()->document().forms(forms);
 
     EXPECT_EQ(forms.size(), 1U);
 
     WebSearchableFormData searchableFormData(forms[0]);
     EXPECT_EQ("http://www.mock.url/search?hl=en&q={searchTerms}&btnM=Mock+Search", searchableFormData.url().string());
 }