chromeos: Update more code to get signals from powerd.

chrome/browser/chromeos/system/ash_system_tray_delegate.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/chromeos/system/ash_system_tray_delegate.h"
 
 #include <algorithm>
 
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
@@ skipping 1060 matching lines @@
   virtual void BrightnessChanged(int level, bool user_initiated) OVERRIDE {
     double leveld = static_cast<double>(level);
     GetSystemTrayNotifier()->NotifyBrightnessChanged(leveld, user_initiated);
   }
 
   virtual void PowerChanged(const PowerSupplyStatus& power_status) OVERRIDE {
     power_supply_status_ = power_status;
     GetSystemTrayNotifier()->NotifyPowerStatusChanged(power_status);
   }
 
+  // Overridden from PowerManagerClient::Observer:
+  virtual void SystemResumed(const base::TimeDelta& sleep_duration) OVERRIDE {
+    GetSystemTrayNotifier()->NotifyRefreshClock();
+  }
+
   // Overridden from RootPowerManagerObserver:
   virtual void OnResume(const base::TimeDelta& sleep_duration) OVERRIDE {
-    GetSystemTrayNotifier()->NotifyRefreshClock();
+    SystemResumed(sleep_duration);
   }
 
   // Overridden from SessionManagerClient::Observer.
   virtual void LockScreen() OVERRIDE {
     screen_locked_ = true;
     ash::Shell::GetInstance()->UpdateAfterLoginStatusChange(
         GetUserLoginStatus());
   }
 
   virtual void UnlockScreen() OVERRIDE {
@@ skipping 305 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(SystemTrayDelegate);
 };
 
 }  // namespace
 
 ash::SystemTrayDelegate* CreateSystemTrayDelegate() {
   return new chromeos::SystemTrayDelegate();
 }
 
 }  // namespace chromeos