Use root window's coordinates when updating cursor in Aura

ui/aura/test/test_cursor_client.h

 // Copyright 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.
 
 #ifndef UI_AURA_TEST_TEST_CURSOR_CLIENT_H_
 #define UI_AURA_TEST_TEST_CURSOR_CLIENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/observer_list.h"
 #include "ui/aura/client/cursor_client.h"
 
 namespace aura {
 namespace test {
 
 class TestCursorClient : public aura::client::CursorClient {
  public:
   explicit TestCursorClient(aura::Window* root_window);
   virtual ~TestCursorClient();
 
+  // Used to track the number of times SetCursor() was called.
+  int calls_to_set_cursor() const { return calls_to_set_cursor_; }
+  void reset_calls_to_set_cursor() { calls_to_set_cursor_ = 0; }
+
   // Overridden from aura::client::CursorClient:
   virtual void SetCursor(gfx::NativeCursor cursor) OVERRIDE;
   virtual gfx::NativeCursor GetCursor() const OVERRIDE;
   virtual void ShowCursor() OVERRIDE;
   virtual void HideCursor() OVERRIDE;
   virtual void SetCursorSet(ui::CursorSetType cursor_set) OVERRIDE;
   virtual ui::CursorSetType GetCursorSet() const OVERRIDE;
   virtual void SetScale(float scale) OVERRIDE;
   virtual float GetScale() const OVERRIDE;
   virtual bool IsCursorVisible() const OVERRIDE;
   virtual void EnableMouseEvents() OVERRIDE;
   virtual void DisableMouseEvents() OVERRIDE;
   virtual bool IsMouseEventsEnabled() const OVERRIDE;
   virtual void SetDisplay(const gfx::Display& display) OVERRIDE;
   virtual void LockCursor() OVERRIDE;
   virtual void UnlockCursor() OVERRIDE;
   virtual bool IsCursorLocked() const OVERRIDE;
   virtual void AddObserver(
       aura::client::CursorClientObserver* observer) OVERRIDE;
   virtual void RemoveObserver(
       aura::client::CursorClientObserver* observer) OVERRIDE;
 
  private:
   bool visible_;
   bool mouse_events_enabled_;
   int cursor_lock_count_;
+  int calls_to_set_cursor_;
   ObserverList<aura::client::CursorClientObserver> observers_;
   aura::Window* root_window_;
 
   DISALLOW_COPY_AND_ASSIGN(TestCursorClient);
 };
 
 }  // namespace test
 }  // namespace aura
 
 #endif // UI_AURA_TEST_TEST_CURSOR_CLIENT_H_