[Ozone] Proper cursor support for multi-monitor configurations

ui/ozone/platform/dri/dri_surface_factory.h

 // Copyright 2014 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_OZONE_PLATFORM_DRI_DRI_SURFACE_FACTORY_H_
 #define UI_OZONE_PLATFORM_DRI_DRI_SURFACE_FACTORY_H_
 
 #include <map>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 36 matching lines @@
       AddGLLibraryCallback add_gl_library,
       SetGLGetProcAddressProcCallback set_gl_get_proc_address) OVERRIDE;
 
   virtual bool SchedulePageFlip(gfx::AcceleratedWidget w);
 
   virtual SkCanvas* GetCanvasForWidget(gfx::AcceleratedWidget w);
 
   virtual scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider(
       gfx::AcceleratedWidget w);
 
+  gfx::Size GetWidgetSize(gfx::AcceleratedWidget w);
+
   void SetHardwareCursor(gfx::AcceleratedWidget window,
                          const SkBitmap& image,
                          const gfx::Point& location);
 
   void MoveHardwareCursor(gfx::AcceleratedWidget window,
                           const gfx::Point& location);
 
   void UnsetHardwareCursor(gfx::AcceleratedWidget window);
 
   // Called to initialize a new display. The display is then added to
@@ skipping 49 matching lines @@
 
   SkBitmap cursor_bitmap_;
   gfx::Point cursor_location_;
 
   DISALLOW_COPY_AND_ASSIGN(DriSurfaceFactory);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRI_DRI_SURFACE_FACTORY_H_