Exposing the child process unique ID through the task manager.

chrome/browser/task_manager/task_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_TASK_MANAGER_TASK_MANAGER_H_
 #define CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_H_
 #pragma once
 
 #include <map>
 #include <utility>
@@ skipping 50 matching lines @@
 
     enum Type {
       UNKNOWN = 0,
       TASKMANAGER_RESOURCE_TYPE_LIST(TASKMANAGER_RESOURCE_TYPE_LIST_ENUM)
     };
 
     virtual string16 GetTitle() const = 0;
     virtual string16 GetProfileName() const = 0;
     virtual SkBitmap GetIcon() const = 0;
     virtual base::ProcessHandle GetProcess() const = 0;
+    virtual int GetUniqueChildProcessId() const = 0;
     virtual Type GetType() const = 0;
     virtual int GetRoutingID() const { return 0; }
 
     virtual bool ReportsCacheStats() const { return false; }
     virtual WebKit::WebCache::ResourceTypeStats GetWebCoreCacheStats() const {
       return WebKit::WebCache::ResourceTypeStats();
     }
 
     virtual bool ReportsFPS() const { return false; }
     virtual float GetFPS() const { return 0.0f; }
@@ skipping 288 matching lines @@
   int GetResourceIndexForGroup(int group_index, int index_in_group) const;
 
   // Compares values in column |col_id| and rows |row1|, |row2|.
   // Returns -1 if value in |row1| is less than value in |row2|,
   // 0 if they are equal, and 1 otherwise.
   int CompareValues(int row1, int row2, int col_id) const;
 
   // Returns process handle for given resource.
   base::ProcessHandle GetResourceProcessHandle(int index) const;
 
+  // Returns the unique child process ID generated by Chromium, not the OS
+  // process id. This is used to identify processes internally and for
+  // extensions. It is not meant to be displayed to the user.
+  int GetUniqueChildProcessId(int index) const;
+
   // Returns the type of the given resource.
   TaskManager::Resource::Type GetResourceType(int index) const;
 
   // Returns TabContents of given resource or NULL if not applicable.
   TabContentsWrapper* GetResourceTabContents(int index) const;
 
   // Returns Extension of given resource or NULL if not applicable.
   const Extension* GetResourceExtension(int index) const;
 
   void AddResource(TaskManager::Resource* resource);
@@ skipping 153 matching lines @@
   // A salt lick for the goats.
   uint64 goat_salt_;
 
   // Resource identifier that is unique within single session.
   int last_unique_id_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerModel);
 };
 
 #endif  // CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_H_