Remove DisplayState from the public interface for DisplayConfigurator

ui/display/chromeos/update_display_configuration_task.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_DISPLAY_CHROMEOS_UPDATE_DISPLAY_CONFIGURATION_TASK_H_
 #define UI_DISPLAY_CHROMEOS_UPDATE_DISPLAY_CONFIGURATION_TASK_H_
 
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
 #include "ui/display/chromeos/configure_displays_task.h"
 #include "ui/display/chromeos/display_configurator.h"
 
 namespace ui {
 
 class DisplaySnapshot;
 class NativeDisplayDelegate;
 
 class DISPLAY_EXPORT UpdateDisplayConfigurationTask {
  public:
   typedef base::Callback<void(
       bool /* success */,
-      const std::vector<DisplayConfigurator::DisplayState>& /* displays */,
+      const std::vector<DisplaySnapshot*>& /* displays */,
       const gfx::Size& /* framebuffer_size */,
       MultipleDisplayState /* new_display_state */,
       chromeos::DisplayPowerState /* new_power_state */)> ResponseCallback;
 
   UpdateDisplayConfigurationTask(
       NativeDisplayDelegate* delegate,
       DisplayConfigurator::DisplayLayoutManager* layout_manager,
       MultipleDisplayState new_display_state,
       chromeos::DisplayPowerState new_power_state,
       int power_flags,
@@ skipping 50 matching lines @@
   uint32_t background_color_argb_;
 
   bool force_configure_;
 
   // Used to signal that the task has finished.
   ResponseCallback callback_;
 
   bool force_dpms_;
 
   // List of updated displays.
-  std::vector<DisplayConfigurator::DisplayState> cached_displays_;
+  std::vector<DisplaySnapshot*> cached_displays_;
 
   gfx::Size framebuffer_size_;
 
   scoped_ptr<ConfigureDisplaysTask> configure_task_;
 
   base::WeakPtrFactory<UpdateDisplayConfigurationTask> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(UpdateDisplayConfigurationTask);
 };
 
 }  // namespace ui
 
 #endif  // UI_DISPLAY_CHROMEOS_UPDATE_DISPLAY_CONFIGURATION_TASK_H_