Refactors getting available color profiles code.

ash/display/display_info.h

 // 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.
 
 #ifndef ASH_DISPLAY_DISPLAY_INFO_H_
 #define ASH_DISPLAY_DISPLAY_INFO_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 145 matching lines @@
   }
 
   ui::ColorCalibrationProfile color_profile() const {
     return color_profile_;
   }
 
   // Sets the color profile. It will ignore if the specified |profile| is not in
   // |available_color_profiles_|.
   void SetColorProfile(ui::ColorCalibrationProfile profile);
 
+  // Returns true if |profile| is in |available_color_profiles_|.
+  bool IsColorProfileAvailable(ui::ColorCalibrationProfile profile) const;
+
   const std::vector<ui::ColorCalibrationProfile>&
       available_color_profiles() const {
     return available_color_profiles_;
   }
 
   void set_available_color_profiles(
-      const std::vector<ui::ColorCalibrationProfile>& profiles) {
-    available_color_profiles_ = profiles;
+      std::vector<ui::ColorCalibrationProfile>& profiles) {
+    available_color_profiles_.swap(profiles);
   }
 
   // Returns a string representation of the DisplayInfo, excluding display
   // modes.
   std::string ToString() const;
 
   // Returns a string representation of the DisplayInfo, including display
   // modes.
   std::string ToFullString() const;
 
@@ skipping 35 matching lines @@
   ui::ColorCalibrationProfile color_profile_;
 
   // The list of available variations for the color calibration.
   std::vector<ui::ColorCalibrationProfile> available_color_profiles_;
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  //  ASH_DISPLAY_DISPLAY_INFO_H_