ash: Constantify user methods of SystemTrayDelegate.

ash/shell.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 "ash/shell.h"
 
 #include <algorithm>
 
 #include "ash/app_list/app_list.h"
 #include "ash/ash_switches.h"
@@ skipping 174 matching lines @@
  public:
   DummySystemTrayDelegate()
       : muted_(false),
         volume_(0.5) {
   }
 
   virtual ~DummySystemTrayDelegate() {}
 
  private:
 
-  // SystemTrayDelegate implementation.
-  virtual const std::string GetUserDisplayName() OVERRIDE {
+  // Overridden from SystemTrayDelegate:
+  virtual const std::string GetUserDisplayName() const OVERRIDE {
     return "chronos";
   }
 
-  virtual const std::string GetUserEmail() OVERRIDE {
+  virtual const std::string GetUserEmail() const OVERRIDE {
     return "chr@nos";
   }
 
-  virtual const SkBitmap& GetUserImage() OVERRIDE {
+  virtual const SkBitmap& GetUserImage() const OVERRIDE {
     return null_image_;
   }
 
-  virtual user::LoginStatus GetUserLoginStatus() OVERRIDE {
+  virtual user::LoginStatus GetUserLoginStatus() const OVERRIDE {
     return user::LOGGED_IN_USER;
   }
 
   virtual void ShowSettings() OVERRIDE {
   }
 
   virtual void ShowHelp() OVERRIDE {
   }
 
   virtual bool IsAudioMuted() const OVERRIDE {
@@ skipping 455 matching lines @@
 void Shell::ResetLayoutManager(int container_id) {
   GetContainer(container_id)->SetLayoutManager(NULL);
 }
 
 void Shell::DisableWorkspaceGridLayout() {
   if (workspace_controller_.get())
     workspace_controller_->workspace_manager()->set_grid_size(0);
 }
 
 }  // namespace ash