ash: Constantify user methods of SystemTrayDelegate.

R=sadrul@chromium.org,sky@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9584034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@124932 0039d316-1c4b-4281-b951-d872f2087c98

ash/shell.cc

@@ -193,20 +193,20 @@ class DummySystemTrayDelegate : public SystemTrayDelegate {
 
  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;
   }
 

ash/system/tray/system_tray_delegate.h

@@ -17,10 +17,10 @@ class SystemTrayDelegate {
   virtual ~SystemTrayDelegate() {}
 
   // Gets information about the logged in user.
-  virtual const std::string GetUserDisplayName() = 0;
-  virtual const std::string GetUserEmail() = 0;
-  virtual const SkBitmap& GetUserImage() = 0;
-  virtual user::LoginStatus GetUserLoginStatus() = 0;
+  virtual const std::string GetUserDisplayName() const = 0;
+  virtual const std::string GetUserEmail() const = 0;
+  virtual const SkBitmap& GetUserImage() const = 0;
+  virtual user::LoginStatus GetUserLoginStatus() const = 0;
 
   // Shows settings.
   virtual void ShowSettings() = 0;

chrome/browser/chromeos/system/ash_system_tray_delegate.cc

@@ -49,20 +49,20 @@ class SystemTrayDelegate : public ash::SystemTrayDelegate,
     DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(this);
   }
 
-  // Overridden from ash::SystemTrayDelegate.
-  virtual const std::string GetUserDisplayName() OVERRIDE {
+  // Overridden from ash::SystemTrayDelegate:
+  virtual const std::string GetUserDisplayName() const OVERRIDE {
     return UserManager::Get()->logged_in_user().GetDisplayName();
   }
 
-  virtual const std::string GetUserEmail() OVERRIDE {
+  virtual const std::string GetUserEmail() const OVERRIDE {
     return UserManager::Get()->logged_in_user().email();
   }
 
-  virtual const SkBitmap& GetUserImage() OVERRIDE {
+  virtual const SkBitmap& GetUserImage() const OVERRIDE {
     return UserManager::Get()->logged_in_user().image();
   }
 
-  virtual ash::user::LoginStatus GetUserLoginStatus() OVERRIDE {
+  virtual ash::user::LoginStatus GetUserLoginStatus() const OVERRIDE {
     UserManager* manager = UserManager::Get();
     if (!manager->user_is_logged_in())
       return ash::user::LOGGED_IN_NONE;