[Android] Add a low-end device mode override flag

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 1787 matching lines @@
   },
 #if defined(OS_ANDROID)
   {
     "disable-click-delay",
     IDS_FLAGS_DISABLE_CLICK_DELAY_NAME,
     IDS_FLAGS_DISABLE_CLICK_DELAY_DESCRIPTION,
     kOsAndroid,
     // Java-only switch: CommandLine.DISABLE_CLICK_DELAY
     SINGLE_VALUE_TYPE("disable-click-delay")
   },
+  {
+    "low-end-device-mode",
+     IDS_FLAGS_LOW_END_DEVICE_MODE_NAME,
+     IDS_FLAGS_LOW_END_DEVICE_MODE_DESCRIPTION,
+     kOsAndroid,
+     ENABLE_DISABLE_VALUE_TYPE(switches::kEnableLowEndDeviceMode,
+                               switches::kDisableLowEndDeviceMode)
+  },
 #endif
 #if defined(OS_CHROMEOS)
   {
     "disable-ime-mode-indicator",
     IDS_FLAGS_DISABLE_IME_MODE_INDICATOR,
     IDS_FLAGS_DISABLE_IME_MODE_INDICATOR_DESCRIPTION,
     kOsCrOS,
     SINGLE_VALUE_TYPE(chromeos::switches::kDisableIMEModeIndicator)
   },
 #endif
@@ skipping 513 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags