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

chrome/browser/task_manager/task_manager_resource_providers.h

Index: chrome/browser/task_manager/task_manager_resource_providers.h
diff --git a/chrome/browser/task_manager/task_manager_resource_providers.h b/chrome/browser/task_manager/task_manager_resource_providers.h
index bfa13a0633c072c5ed02b2ca6ef1946fb724f5a2..c1ce1eba9f06496392f357267c90619801b662dc 100644
--- a/chrome/browser/task_manager/task_manager_resource_providers.h
+++ b/chrome/browser/task_manager/task_manager_resource_providers.h
@@ -448,12 +448,8 @@ class TaskManagerBrowserProcessResource : public TaskManager::Resource {
   virtual bool ReportsSqliteMemoryUsed() const OVERRIDE;
   virtual size_t SqliteMemoryUsedBytes() const OVERRIDE;
 
-  // Returns the pid of the browser process.
-  int process_id() const { return pid_; }
-
  private:
   base::ProcessHandle process_;
-  int pid_;
   mutable string16 title_;
 
   static SkBitmap* default_icon_;