mash: Fix Chrome crash accessing chrome://settings.

chrome/browser/ui/webui/options/chromeos/power_handler.cc

 // Copyright 2014 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/options/chromeos/power_handler.h"
 
 #include "ash/resources/grit/ash_resources.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
+#include "chrome/browser/ui/ash/ash_util.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/web_ui.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/l10n/time_format.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/webui/web_ui_util.h"
 
 using ash::PowerStatus;
 
 namespace chromeos {
 namespace options {
 
 PowerHandler::PowerHandler() {
-  this->show_power_status_ = switches::PowerOverlayEnabled() ||
-                             (PowerStatus::Get()->IsBatteryPresent() &&
-                              PowerStatus::Get()->SupportsDualRoleDevices());
+  // TODO(mash): Support Chrome power settings in Mash. crbug.com/644348
+  this->show_power_status_ = !chrome::IsRunningInMash() &&
+                             (switches::PowerOverlayEnabled() ||
+                              (PowerStatus::Get()->IsBatteryPresent() &&
+                               PowerStatus::Get()->SupportsDualRoleDevices()));
 }
 
 PowerHandler::~PowerHandler() {
   if (this->show_power_status_)
     PowerStatus::Get()->RemoveObserver(this);
 }
 
 void PowerHandler::GetLocalizedValues(
     base::DictionaryValue* localized_strings) {
   DCHECK(localized_strings);
@@ skipping 120 matching lines @@
 
   web_ui()->CallJavascriptFunctionUnsafe(
       "options.PowerOverlay.setPowerSources", sources_list,
       base::StringValue(status->GetCurrentPowerSourceID()),
       base::FundamentalValue(status->IsUsbChargerConnected()),
       base::FundamentalValue(status->IsBatteryTimeBeingCalculated()));
 }
 
 }  // namespace options
 }  // namespace chromeos