Move convertViewportToWindow and convertWindowToViewport from

third_party/WebKit/Source/core/inspector/DevToolsHost.cpp

 /*
  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 151 matching lines @@
 }
 
 float DevToolsHost::zoomFactor()
 {
     if (!m_frontendFrame)
         return 1;
     float zoomFactor = m_frontendFrame->pageZoomFactor();
     // Cancel the device scale factor applied to the zoom factor in
     // use-zoom-for-dsf mode.
     const HostWindow* hostWindow = m_frontendFrame->view()->getHostWindow();
-    float windowToViewportRatio = hostWindow->windowToViewportScalar(1.0f);
+    float windowToViewportRatio = hostWindow->windowToViewportScalar(*m_frontendFrame->view(), 1.0f);
     return zoomFactor / windowToViewportRatio;
 }
 
 void DevToolsHost::setInjectedScriptForOrigin(const String& origin, const String& script)
 {
     if (m_client)
         m_client->setInjectedScriptForOrigin(origin, script);
 }
 
 void DevToolsHost::copyText(const String& text)
@@ skipping 56 matching lines @@
 {
     return m_client && m_client->isUnderTest();
 }
 
 bool DevToolsHost::isHostedMode()
 {
     return false;
 }
 
 } // namespace blink