Revert 98850 - Proper MouseEvent targeting. Adds a Window method that locates a Window for a give...

aura/window_delegate.h

Index: aura/window_delegate.h
===================================================================
--- aura/window_delegate.h	(revision 98850)
+++ aura/window_delegate.h	(working copy)
@@ -12,20 +12,12 @@
 
 namespace aura {
 
-class MouseEvent;
-
 // Delegate interface for aura::Window.
 class WindowDelegate {
  public:
-  virtual bool OnMouseEvent(const MouseEvent& event) = 0;
-
   // Asks the delegate to paint window contents into the supplied canvas.
-  virtual void OnPaint(gfx::Canvas* canvas) = 0;
+   virtual void OnPaint(gfx::Canvas* canvas) = 0;
 
-  // Called when the Window has been destroyed (i.e. from its destructor).
-  // The delegate can use this as an opportunity to delete itself if necessary.
-  virtual void OnWindowDestroyed() = 0;
-
  protected:
   virtual ~WindowDelegate() {}
 };