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

chrome/common/child_process_info.h

 // Copyright (c) 2010 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_COMMON_CHILD_PROCESS_INFO_H_
 #define CHROME_COMMON_CHILD_PROCESS_INFO_H_
 #pragma once
 
 #include <string>
 
@@ skipping 50 matching lines @@
   // for workers it might be the domain that it's from.
   std::wstring name() const { return name_; }
 
   // Returns the version of the exe, this only appliest to plugins. Otherwise
   // the string is empty.
   std::wstring version() const { return version_; }
 
   // Getter to the process handle.
   base::ProcessHandle handle() const { return process_.handle(); }
 
+  // Getter to the process ID.
+  int pid() const { return process_.pid(); }
+
   // The unique identifier for this child process. This identifier is NOT a
   // process ID, and will be unique for all types of child process for
   // one run of the browser.
   int id() const { return id_; }
 
   void SetProcessBackgrounded() const { process_.SetProcessBackgrounded(true); }
 
   // Returns an English name of the process type, should only be used for non
   // user-visible strings, or debugging pages like about:memory.
   static std::string GetFullTypeNameInEnglish(ProcessType type,
@@ skipping 48 matching lines @@
   RendererProcessType renderer_type_;
   std::wstring name_;
   std::wstring version_;
   int id_;
 
   // The handle to the process.
   mutable base::Process process_;
 };
 
 #endif  // CHROME_COMMON_CHILD_PROCESS_INFO_H_