Use the screen info's scale factor to scale the drag image

third_party/WebKit/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 1011 matching lines @@
 
     FixedLayoutTestWebViewClient client;
     client.m_screenInfo.deviceScaleFactor = 2;
 
     FrameTestHelpers::WebViewHelper webViewHelper(this);
     webViewHelper.initializeAndLoad(m_baseURL + "no_viewport_tag.html", true, 0, &client, enableViewportSettings);
 
     webViewHelper.webView()->resize(WebSize(viewportWidth, viewportHeight));
     webViewHelper.webView()->updateAllLifecyclePhases();
 
-    EXPECT_EQ(2, webViewHelper.webView()->deviceScaleFactor());
+    EXPECT_EQ(2, webViewHelper.webViewImpl()->page()->deviceScaleFactor());
 
     // Device scale factor should be independent of page scale.
     webViewHelper.webView()->setDefaultPageScaleLimits(1, 2);
     webViewHelper.webView()->setPageScaleFactor(0.5);
     webViewHelper.webView()->updateAllLifecyclePhases();
     EXPECT_EQ(1, webViewHelper.webView()->pageScaleFactor());
 
     // Force the layout to happen before leaving the test.
     webViewHelper.webView()->mainFrame()->contentAsText(1024).utf8();
 }
@@ skipping 7310 matching lines @@
 
 TEST_F(WebFrameTest, CallbackOrdering)
 {
     registerMockedHttpURLLoad("foo.html");
     FrameTestHelpers::WebViewHelper webViewHelper;
     CallbackOrderingWebFrameClient client;
     webViewHelper.initializeAndLoad(m_baseURL + "foo.html", true, &client);
 }
 
 } // namespace blink