ash: Get output info from chromeos instead of XRandR.

ash/display/display_util_x11.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 ASH_DISPLAY_DISPLAY_UTIL_X11_H_
 #define ASH_DISPLAY_DISPLAY_UTIL_X11_H_
 
 #include <vector>
 
 #include "ash/ash_export.h"
 #include "ash/display/display_info.h"
-
-struct _XRRScreenResources;
-typedef _XRRScreenResources XRRScreenResources;
-struct _XRROutputInfo;
-typedef _XRROutputInfo XRROutputInfo;
+#include "chromeos/display/output_configurator.h"
 
 namespace ash {
 namespace internal {
 struct Resolution;
 
 // Returns true if the size info in the output_info isn't valid
 // and should be ignored. This is exposed for testing.
 // |mm_width| and |mm_height| are given in millimeters.
 ASH_EXPORT bool ShouldIgnoreSize(unsigned long mm_width,
                                  unsigned long mm_height);
 
 // Returns the resolution list.
 ASH_EXPORT std::vector<Resolution> GetResolutionList(
-    XRRScreenResources* screen_resources,
-    XRROutputInfo* output_info);
+    const chromeos::OutputConfigurator::OutputSnapshot& output);
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_DISPLAY_UTIL_X11_H_