Remove stylesheet injection from Blink.

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 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
-#include "core/page/InjectedStyleSheets.h"
 #include "core/page/Page.h"
 #include "core/page/PageScaleConstraints.h"
 #include "platform/Length.h"
 #include "platform/geometry/IntPoint.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/scroll/ScrollbarTheme.h"
 #include "platform/testing/URLTestHelpers.h"
 #include "platform/testing/UnitTestHelpers.h"
 #include "public/platform/Platform.h"
@@ skipping 3104 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