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

Source/web/tests/WebInputEventConversionTest.cpp

 /*
  * Copyright (C) 2012 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 "core/page/Page.h"
 #include "core/rendering/RenderView.h"
 #include "core/testing/URLTestHelpers.h"
 #include "public/web/WebFrame.h"
 #include "public/web/WebSettings.h"
 #include "web/WebViewImpl.h"
 #include "web/tests/FrameTestHelpers.h"
 #include <gtest/gtest.h>
 
 using namespace blink;
-using namespace blink;
 
 namespace {
 
 PassRefPtrWillBeRawPtr<blink::KeyboardEvent> createKeyboardEventWithLocation(blink::KeyboardEvent::KeyLocationCode location)
 {
     return blink::KeyboardEvent::create("keydown", true, true, 0, "", location, false, false, false, false);
 }
 
 int getModifiersForKeyLocationCode(blink::KeyboardEvent::KeyLocationCode location)
 {
@@ skipping 522 matching lines @@
 
         PlatformTouchEventBuilder platformTouchBuilder(view, webTouchEvent);
         EXPECT_FLOAT_EQ(10.6f, platformTouchBuilder.touchPoints()[0].screenPos().x());
         EXPECT_FLOAT_EQ(10.4f, platformTouchBuilder.touchPoints()[0].screenPos().y());
         EXPECT_FLOAT_EQ(5.3f + pinchOffset.x(), platformTouchBuilder.touchPoints()[0].pos().x());
         EXPECT_FLOAT_EQ(5.2f + pinchOffset.y(), platformTouchBuilder.touchPoints()[0].pos().y());
     }
 }
 
 } // anonymous namespace