Remove balloon notification code. The last user was the Linux GTK port but that's deleted now.

chrome/browser/notifications/desktop_notification_service.h

 // 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.
 
 #ifndef CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
 #define CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 87 matching lines @@
                                       const base::string16& title,
                                       const base::string16& body,
                                       blink::WebTextDirection dir);
 
   // Creates a data:xxxx URL which contains the full HTML for a notification
   // using resource template which contains the standard formatting for
   // notifications.
   static base::string16 CreateDataUrl(int resource,
                                 const std::vector<std::string>& subst);
 
-  // Add a desktop notification. On non-Ash platforms this will generate a HTML
-  // notification from the input parameters. On Ash it will generate a normal
-  // ash notification. Returns the notification id.
-  // TODO(mukai): remove these methods. HTML notifications are no longer
-  // supported.
-  static std::string AddNotification(const GURL& origin_url,
-                                     const base::string16& title,
-                                     const base::string16& message,
-                                     const GURL& icon_url,
-                                     const base::string16& replace_id,
-                                     NotificationDelegate* delegate,
-                                     Profile* profile);
-
-  // Same as above, but takes a gfx::Image for the icon instead.
+  // Add a desktop notification.
   static std::string AddIconNotification(const GURL& origin_url,
                                          const base::string16& title,
                                          const base::string16& message,
                                          const gfx::Image& icon,
                                          const base::string16& replace_id,
                                          NotificationDelegate* delegate,
                                          Profile* profile);
 
-  // Remove any active notification corresponding to |notification_id|.
-  static void RemoveNotification(const std::string& notification_id);
-
   // The default content setting determines how to handle origins that haven't
   // been allowed or denied yet. If |provider_id| is not NULL, the id of the
   // provider which provided the default setting is assigned to it.
   ContentSetting GetDefaultContentSetting(std::string* provider_id);
   void SetDefaultContentSetting(ContentSetting setting);
 
   // NOTE: This should only be called on the UI thread.
   void ResetToDefaultContentSetting();
 
   // Returns all notifications settings. |settings| is cleared before
@@ skipping 85 matching lines @@
   // Registrar for the other kind of notifications (event signaling).
   content::NotificationRegistrar registrar_;
 
   // Welcome Notification
   scoped_ptr<ExtensionWelcomeNotification> chrome_now_welcome_notification_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopNotificationService);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_