Copy a few selection related methods to WebFrame from WebView.

public/web/WebView.h

 /*
  * Copyright (C) 2009, 2010, 2011, 2012 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 447 matching lines @@
     // by the compositor) but must be completed by the WebView.
     virtual void transferActiveWheelFlingAnimation(const WebActiveWheelFlingParameters&) = 0;
 
     // Cancels an active fling, returning true if a fling was active.
     virtual bool endActiveFlingAnimation() = 0;
 
     virtual bool setEditableSelectionOffsets(int start, int end) = 0;
     virtual bool setCompositionFromExistingText(int compositionStart, int compositionEnd, const WebVector<WebCompositionUnderline>& underlines) = 0;
     virtual void extendSelectionAndDelete(int before, int after) = 0;
 
-    virtual bool isSelectionEditable() const = 0;
-
     virtual void setShowPaintRects(bool) = 0;
     virtual void setShowFPSCounter(bool) = 0;
     virtual void setContinuousPaintingEnabled(bool) = 0;
     virtual void setShowScrollBottleneckRects(bool) = 0;
 
     // Compute the bounds of the root element of the current selection and fills
     // the out-parameter on success. |bounds| coordinates will be relative to
     // the contents window and will take into account the current scale level.
     virtual void getSelectionRootBounds(WebRect& bounds) const = 0;
 
@@ skipping 18 matching lines @@
 
     // Testing functionality for TestRunner ---------------------------------
 
 protected:
     ~WebView() {}
 };
 
 } // namespace blink
 
 #endif