chromeos: Add settings to control power management prefs.

chrome/browser/ui/webui/settings/md_settings_ui.cc

 // Copyright 2015 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/ui/webui/settings/md_settings_ui.h"
 
 #include <stddef.h>
 
 #include <string>
 
@@ skipping 192 matching lines @@
       "quickUnlockEnabled",
       chromeos::quick_unlock::IsPinEnabled(profile->GetPrefs()));
   html_source->AddBoolean("fingerprintUnlockEnabled",
                           chromeos::quick_unlock::IsFingerprintEnabled());
   html_source->AddBoolean("androidAppsVisible",
                           arc::IsArcAllowedForProfile(profile) &&
                               !arc::IsArcOptInVerificationDisabled() &&
                               arc::IsPlayStoreAvailable());
 
   // TODO(mash): Support Chrome power settings in Mash. crbug.com/644348
-  bool enable_power_settings =
-      !ash_util::IsRunningInMash() &&
-      (switches::PowerOverlayEnabled() ||
-       (ash::PowerStatus::Get()->IsBatteryPresent() &&
-        ash::PowerStatus::Get()->SupportsDualRoleDevices()));
+  bool enable_power_settings = !ash_util::IsRunningInMash();
   html_source->AddBoolean("enablePowerSettings", enable_power_settings);
   if (enable_power_settings) {
-    AddSettingsPageUIHandler(
-        base::MakeUnique<chromeos::settings::PowerHandler>());
+    AddSettingsPageUIHandler(base::MakeUnique<chromeos::settings::PowerHandler>(
+        profile->GetPrefs()));
   }
 #endif
 
   AddSettingsPageUIHandler(
       base::WrapUnique(AboutHandler::Create(html_source, profile)));
   AddSettingsPageUIHandler(
       base::WrapUnique(ResetSettingsHandler::Create(html_source, profile)));
 
   // Add the metrics handler to write uma stats.
   web_ui->AddMessageHandler(base::MakeUnique<MetricsHandler>());
@@ skipping 44 matching lines @@
   UMA_HISTOGRAM_TIMES("Settings.LoadDocumentTime.MD",
                       base::Time::Now() - load_start_time_);
 }
 
 void MdSettingsUI::DocumentOnLoadCompletedInMainFrame() {
   UMA_HISTOGRAM_TIMES("Settings.LoadCompletedTime.MD",
                       base::Time::Now() - load_start_time_);
 }
 
 }  // namespace settings