Remove NotificationDelegate::process_id().

chrome/browser/notifications/message_center_notification_manager.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_MESSAGE_CENTER_NOTIFICATION_MANAGER_H_
 #define CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_NOTIFICATION_MANAGER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 159 matching lines @@
     virtual ~ProfileNotification();
 
     void StartDownloads();
 
     // Overridden from ImageDownloadsObserver.
     virtual void OnDownloadsCompleted() OVERRIDE;
 
     Profile* profile() const { return profile_; }
     const Notification& notification() const { return notification_; }
 
-    // Returns extension_id if the notification originates from an extension,
-    // empty string otherwise.
-    std::string GetExtensionId();
-
     // Route a new notification to an app/extension.
     void AddToAlternateProvider(const std::string extension_id);
 
    private:
     // Weak, guaranteed not to be used after profile removal by parent class.
     Profile* profile_;
     Notification notification_;
     // Track the downloads for this notification so the notification can be
     // updated properly.
     scoped_ptr<ImageDownloads> downloads_;
@@ skipping 54 matching lines @@
   // Keeps track of all notification statistics for UMA purposes.
   MessageCenterStatsCollector stats_collector_;
 
   // Keeps track of notifications specific to Google Now for UMA purposes.
   GoogleNowNotificationStatsCollector google_now_stats_collector_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageCenterNotificationManager);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_NOTIFICATION_MANAGER_H_