Revert of Scale scrollbar in use-zoom-for-dsf mode

third_party/WebKit/Source/core/page/ChromeClient.cpp

 /*
  * Copyright (C) 2006, 2007, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2012, Samsung Electronics. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 173 matching lines @@
 void ChromeClient::print(LocalFrame* frame)
 {
     // Defer loads in case the client method runs a new event loop that would
     // otherwise cause the load to continue while we're in the middle of
     // executing JavaScript.
     ScopedPageLoadDeferrer deferrer;
 
     printDelegate(frame);
 }
 
-float ChromeClient::screenToViewport(float length) const
-{
-    // Convert the thickness in the screen (dip) to the viewport by applying
-    // the invert of the viewport to screen scale.
-    // TODO(oshima): Add native implementation instead of using viewportToScreen.
-
-    IntRect inScreen(0, 0, 100, 0);
-    inScreen = viewportToScreen(inScreen);
-    return length * 100.f / inScreen.width();
-}
-
 } // namespace blink