Exposing the child process unique ID through the task manager.

chrome/browser/task_manager/task_manager_unittest.cc

 // 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.
 
 #include "chrome/browser/task_manager/task_manager.h"
 
 #include <string>
 
 #include "base/message_loop.h"
 #include "base/process_util.h"
@@ skipping 22 matching lines @@
   virtual string16 GetTitle() const OVERRIDE {
     return ASCIIToUTF16("test title");
   }
   virtual string16 GetProfileName() const OVERRIDE {
     return ASCIIToUTF16("test profile");
   }
   virtual SkBitmap GetIcon() const { return SkBitmap(); }
   virtual base::ProcessHandle GetProcess() const {
     return base::GetCurrentProcessHandle();
   }
+  virtual int GetUniqueChildProcessId() const OVERRIDE {
+    // In reality the unique child process ID is not the actual process ID,
+    // but for testing purposes it shouldn't make difference.
+    return static_cast<int>(base::GetCurrentProcId());
+  }
   virtual Type GetType() const { return RENDERER; }
   virtual bool SupportNetworkUsage() const { return false; }
   virtual void SetSupportNetworkUsage() { NOTREACHED(); }
   virtual void Refresh() { refresh_called_ = true; }
   bool refresh_called() const { return refresh_called_; }
   void set_refresh_called(bool refresh_called) {
     refresh_called_ = refresh_called;
   }
 
  private:
@@ skipping 57 matching lines @@
   TaskManagerModel* model = task_manager.model_;
   TestResource resource;
 
   task_manager.AddResource(&resource);
   ASSERT_FALSE(resource.refresh_called());
   model->update_state_ = TaskManagerModel::TASK_PENDING;
   model->Refresh();
   ASSERT_TRUE(resource.refresh_called());
   task_manager.RemoveResource(&resource);
 }