Removed FrameView's windowToContents and contentsToWindow methods.

Source/web/WebViewImpl.h

 /*
  * 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 572 matching lines @@
     // Returns true if the event was actually processed.
     bool keyEventDefault(const WebKeyboardEvent&);
 
     bool confirmComposition(const WebString& text, ConfirmCompositionBehavior);
 
     // Returns true if the view was scrolled.
     bool scrollViewWithKeyboard(int keyCode, int modifiers);
 
     void hideSelectPopup();
 
-    // Converts |pos| from window coordinates to contents coordinates and gets
-    // the HitTestResult for it.
-    HitTestResult hitTestResultForWindowPos(const IntPoint&);
+    HitTestResult hitTestResultForRootFramePos(const IntPoint&);
+    HitTestResult hitTestResultForViewportPos(const IntPoint&);
 
     // Consolidate some common code between starting a drag over a target and
     // updating a drag over a target. If we're starting a drag, |isEntering|
     // should be true.
     WebDragOperation dragTargetDragEnterOrOver(const WebPoint& clientPoint,
                                                const WebPoint& screenPoint,
                                                DragAction,
                                                int modifiers);
 
     void configureAutoResizeMode();
@@ skipping 182 matching lines @@
 };
 
 DEFINE_TYPE_CASTS(WebViewImpl, WebWidget, widget, widget->isWebView(), widget.isWebView());
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 } // namespace blink
 
 #endif