Merge AcceleratedCompositingForOverflowScroll into PreferCompositingToLCDText.

Source/web/tests/WebFrameTest.cpp

 /*
  * Copyright (C) 2010 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 151 matching lines @@
 
         Document* document = toLocalFrame(webViewHelper->webViewImpl()->page()->mainFrame())->document();
         document->ensureStyleResolver().viewportStyleResolver()->collectViewportRules(ruleSet.get(), blink::ViewportStyleResolver::UserAgentOrigin);
         document->ensureStyleResolver().viewportStyleResolver()->resolve();
     }
 
     static void configueCompositingWebView(WebSettings* settings)
     {
         settings->setAcceleratedCompositingEnabled(true);
         settings->setPreferCompositingToLCDTextEnabled(true);
-        settings->setAcceleratedCompositingForOverflowScrollEnabled(true);
     }
 
     void initializeTextSelectionWebView(const std::string& url, FrameTestHelpers::WebViewHelper* webViewHelper)
     {
         webViewHelper->initializeAndLoad(url, true);
         webViewHelper->webView()->settings()->setDefaultFontSize(12);
         webViewHelper->webView()->resize(WebSize(640, 480));
     }
 
     PassOwnPtr<blink::DragImage> nodeImageTestSetup(FrameTestHelpers::WebViewHelper* webViewHelper, const std::string& testcase)
@@ skipping 5893 matching lines @@
 
     client.reset();
     // Try to load the request with cross origin access. Should succeed.
     options.crossOriginRequestPolicy = blink::AllowCrossOriginRequests;
     blink::DocumentThreadableLoader::loadResourceSynchronously(
         *frame->document(), blink::ResourceRequest(resourceUrl), client, options, resourceLoaderOptions);
     EXPECT_FALSE(client.failed());
 }
 
 } // namespace