Support SystemTrayDelegate::ShowPowerSettings() in mustash

chrome/browser/ui/ash/system_tray_common.cc

 // Copyright 2016 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/ash/system_tray_common.h"
 
 #include "base/logging.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_util.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host.h"
 #include "chrome/browser/profiles/profile_manager.h"
@@ skipping 40 matching lines @@
                                         sub_page);
 }
 
 // static
 void SystemTrayCommon::ShowDisplaySettings() {
   content::RecordAction(base::UserMetricsAction("ShowDisplayOptions"));
   ShowSettingsSubPageForActiveUser(kDisplaySettingsSubPageName);
 }
 
 // static
+void SystemTrayCommon::ShowPowerSettings() {

[James Cook, 2016/09/27 23:23:13]

The reason for moving the if() conditions into //ash is that this file can't
depend on ash. (Under mustash, the ash code runs in a different process than the
browser, so browser can't poke directly into ash code.)

+  content::RecordAction(base::UserMetricsAction("Tray_ShowPowerOptions"));
+  ShowSettingsSubPageForActiveUser(chrome::kPowerOptionsSubPage);
+}
+
+// static
 void SystemTrayCommon::ShowChromeSlow() {
   chrome::ScopedTabbedBrowserDisplayer displayer(
       ProfileManager::GetPrimaryUserProfile());
   chrome::ShowSlow(displayer.browser());
 }
 
 // static
 void SystemTrayCommon::ShowIMESettings() {
   content::RecordAction(base::UserMetricsAction("OpenLanguageOptionsDialog"));
   ShowSettingsSubPageForActiveUser(chrome::kLanguageOptionsSubPage);
@@ skipping 43 matching lines @@
 }
 
 // static
 void SystemTrayCommon::ShowProxySettings() {
   LoginState* login_state = LoginState::Get();
   // User is not logged in.
   CHECK(!login_state->IsUserLoggedIn() ||
         login_state->GetLoggedInUserType() == LoginState::LOGGED_IN_USER_NONE);
   chromeos::LoginDisplayHost::default_host()->OpenProxySettings();
 }