chromeos: Add external brightness control to chrome://flags.

chrome/browser/about_flags.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/about_flags.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 1116 matching lines @@
     ENABLE_DISABLE_VALUE_TYPE(
         ash::switches::kAshEnableAlternateFrameCaptionButtonStyle,
         ash::switches::kAshDisableAlternateFrameCaptionButtonStyle),
   },
   { "ash-enable-touch-view-testing",
     IDS_FLAGS_ASH_ENABLE_TOUCH_VIEW_TESTING_NAME,
     IDS_FLAGS_ASH_ENABLE_TOUCH_VIEW_TESTING_DESCRIPTION,
     kOsCrOS,
     SINGLE_VALUE_TYPE(ash::switches::kAshEnableTouchViewTesting),
   },
+  {
+    "ash-enable-brightness-control",
+    IDS_FLAGS_ASH_ENABLE_BRIGHTNESS_CONTROL_NAME,
+    IDS_FLAGS_ASH_ENABLE_BRIGHTNESS_CONTROL_DESCRIPTION,
+    kOsCrOS,
+    SINGLE_VALUE_TYPE(ash::switches::kAshEnableBrightnessControl)
+  },
 #endif
 #if defined(OS_CHROMEOS)
   {
     "enable-carrier-switching",
     IDS_FLAGS_ENABLE_CARRIER_SWITCHING,
     IDS_FLAGS_ENABLE_CARRIER_SWITCHING_DESCRIPTION,
     kOsCrOS,
     SINGLE_VALUE_TYPE(chromeos::switches::kEnableCarrierSwitching)
   },
   {
@@ skipping 1247 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags