Add more tests for mouse rotation,scale&position after display change

ash/test/mirror_window_test_api.cc

 // Copyright (c) 2013 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.
 
 #include "ash/test/mirror_window_test_api.h"
 
 #include "ash/display/cursor_window_controller.h"
 #include "ash/display/display_controller.h"
 #include "ash/display/mirror_window_controller.h"
 #include "ash/host/root_window_transformer.h"
@@ skipping 14 matching lines @@
 int MirrorWindowTestApi::GetCurrentCursorType() const {
   return Shell::GetInstance()->display_controller()->
       cursor_window_controller()->cursor_type_;
 }
 
 const gfx::Point& MirrorWindowTestApi::GetCursorHotPoint() const {
   return Shell::GetInstance()->display_controller()->
       cursor_window_controller()->hot_point_;
 }
 
+gfx::Point MirrorWindowTestApi::GetCursorHotPointLocationInRootWindow() const {
+  return GetCursorWindow()->GetBoundsInRootWindow().origin() +
+         GetCursorHotPoint().OffsetFromOrigin();
+}
+
 const aura::Window* MirrorWindowTestApi::GetCursorWindow() const {
   return Shell::GetInstance()->display_controller()->
       cursor_window_controller()->cursor_window_.get();
 }
 
 gfx::Point MirrorWindowTestApi::GetCursorLocation() const {
   gfx::Point point = GetCursorWindow()->GetBoundsInScreen().origin();
   const gfx::Point hot_point = GetCursorHotPoint();
   point.Offset(hot_point.x(), hot_point.y());
   return point;
 }
 
 scoped_ptr<RootWindowTransformer>
 MirrorWindowTestApi::CreateCurrentRootWindowTransformer() const {
   return Shell::GetInstance()->display_controller()->
       mirror_window_controller()->CreateRootWindowTransformer();
 }
 
 }  // namespace test
 }  // namespace ash