Magnifier: Move the cursor directly to the root window host.

ash/magnifier/magnification_controller.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_MAGNIFIER_MAGNIFICATION_CONTROLLER_H_
 #define ASH_MAGNIFIER_MAGNIFICATION_CONTROLLER_H_
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 29 matching lines @@
   virtual void MoveWindow(int x, int y, bool animate) = 0;
   virtual void MoveWindow(const gfx::Point& point, bool animate) = 0;
   // Returns the current top-left point of the magnification window.
   virtual gfx::Point GetWindowPosition() const = 0;
 
   // Ensures that the given point/rect is inside the magnification window. If
   // not, the controller moves the window to contain the given point/rect.
   virtual void EnsureRectIsVisible(const gfx::Rect& rect, bool animate) = 0;
   virtual void EnsurePointIsVisible(const gfx::Point& point, bool animate) = 0;
 
+  // Returns |point_of_interest_| in MagnificationControllerImpl. This is
+  // the internal variable to stores the last mouse cursor (or last touched)
+  // location. This method is only for test purpose.
+  virtual gfx::Point GetPointOfInterestForTesting() = 0;
+
  protected:
   MagnificationController() {}
 };
 
 }  // namespace ash
 
 #endif  // ASH_MAGNIFIER_MAGNIFICATION_CONTROLLER_H_