Fix Task Manager to correctly display network usage of plug-in processes.

chrome/browser/task_manager/task_manager.h

 // Copyright (c) 2011 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_TASK_MANAGER_TASK_MANAGER_H_
 #define CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 105 matching lines @@
   // The provider remains the owner of the resource objects and is responsible
   // for deleting them (when StopUpdating() is called).
   // After StopUpdating() is called the provider should also stop reporting
   // notifications to the task manager.
   // Note: ResourceProviders have to be ref counted as they are used in
   // MessageLoop::InvokeLater().
   class ResourceProvider : public base::RefCountedThreadSafe<ResourceProvider> {
    public:
     // Should return the resource associated to the specified ids, or NULL if
     // the resource does not belong to this provider.
-    virtual TaskManager::Resource* GetResource(int process_id,
+    virtual TaskManager::Resource* GetResource(int origin_child_id,
                                                int render_process_host_id,
                                                int routing_id) = 0;
     virtual void StartUpdating() = 0;
     virtual void StopUpdating() = 0;
 
    protected:
     friend class base::RefCountedThreadSafe<ResourceProvider>;
 
     virtual ~ResourceProvider() {}
   };
@@ skipping 321 matching lines @@
   // Whether we are currently in the process of updating.
   UpdateState update_state_;
 
   // A salt lick for the goats.
   int goat_salt_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerModel);
 };
 
 #endif  // CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_H_