Audited and renamed uses of methods and variables named RootView

Source/platform/HostWindow.h

 /*
  * Copyright (C) 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 32 matching lines @@
 
     // Requests the host invalidate the contents.
     virtual void invalidateRect(const IntRect& updateRect) = 0;
 
     // Requests the host to invalidate display items, if owned by the host
     // window. At present Chrome does not (display items are owned by the
     // GraphicsLayer instead), but PopupContainerClient does.
     virtual void invalidateDisplayItemClient(DisplayItemClient) { }
     virtual void invalidateAllDisplayItems() { }
 
-    // Methods for doing coordinate conversions to screen coordinates.
-    virtual IntRect rootViewToScreen(const IntRect&) const = 0;
+    // Converts from the window coordinates to screen coordinates.
+    virtual IntRect viewportToScreen(const IntRect&) const = 0;
 
     virtual WebScreenInfo screenInfo() const = 0;
 
     virtual void scheduleAnimation() = 0;
 };
 
 } // namespace blink
 
 #endif // HostWindow_h