Create task_manager namespace and wrap classes related to TaskManager with it.

chrome/browser/task_manager/task_manager_worker_resource_provider.h

Index: chrome/browser/task_manager/task_manager_worker_resource_provider.h
diff --git a/chrome/browser/task_manager/task_manager_worker_resource_provider.h b/chrome/browser/task_manager/task_manager_worker_resource_provider.h
deleted file mode 100644
index e2591ca2485f0d84254fac4ba88c985520884822..0000000000000000000000000000000000000000
--- a/chrome/browser/task_manager/task_manager_worker_resource_provider.h
+++ /dev/null
@@ -1,75 +0,0 @@
-// 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_WORKER_RESOURCE_PROVIDER_H_
-#define CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_WORKER_RESOURCE_PROVIDER_H_
-
-#include <map>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "chrome/browser/task_manager/task_manager.h"
-#include "content/public/browser/browser_child_process_observer.h"
-#include "content/public/browser/worker_service_observer.h"
-
-class TaskManagerSharedWorkerResource;
-
-class TaskManagerWorkerResourceProvider
-    : public TaskManager::ResourceProvider,
-      public content::BrowserChildProcessObserver,
-      private content::WorkerServiceObserver {
- public:
-  explicit TaskManagerWorkerResourceProvider(TaskManager* task_manager);
-
- private:
-  class WorkerResourceListHolder;
-  typedef std::vector<TaskManagerSharedWorkerResource*> WorkerResourceList;
-  typedef scoped_ptr<TaskManagerSharedWorkerResource> WorkerResourceHolder;
-  typedef std::map<int, WorkerResourceList> ProcessIdToWorkerResources;
-
-  virtual ~TaskManagerWorkerResourceProvider();
-
-  // TaskManager::ResourceProvider implementation.
-  virtual TaskManager::Resource* GetResource(int origin_pid,
-                                             int render_process_host_id,
-                                             int routing_id) OVERRIDE;
-  virtual void StartUpdating() OVERRIDE;
-  virtual void StopUpdating() OVERRIDE;
-
-  // content::BrowserChildProcessObserver implementation.
-  virtual void BrowserChildProcessHostConnected(
-      const content::ChildProcessData& data) OVERRIDE;
-  virtual void BrowserChildProcessHostDisconnected(
-      const content::ChildProcessData& data) OVERRIDE;
-
-  // content::WorkerServiceObserver implementation.
-  virtual void WorkerCreated(const GURL& url,
-                             const string16& name,
-                             int process_id,
-                             int route_id) OVERRIDE;
-  virtual void WorkerDestroyed(int process_id, int route_id) OVERRIDE;
-
-  void NotifyWorkerCreated(WorkerResourceHolder* resource_holder);
-  void NotifyWorkerDestroyed(int process_id, int routing_id);
-
-  void StartObservingWorkers();
-  void StopObservingWorkers();
-
-  void AddWorkerResourceList(WorkerResourceListHolder* resource_list_holder);
-  void AddResource(TaskManagerSharedWorkerResource* resource);
-  void DeleteAllResources();
-
-  bool updating_;
-  TaskManager* task_manager_;
-  WorkerResourceList resources_;
-  // Map from worker process id to the list of its workers. This list contains
-  // entries for worker processes which has not launched yet but for which we
-  // have already received WorkerCreated event. We don't add such workers to
-  // the task manager until the process is launched.
-  ProcessIdToWorkerResources launching_workers_;
-
-  DISALLOW_COPY_AND_ASSIGN(TaskManagerWorkerResourceProvider);
-};
-
-#endif  // CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_WORKER_RESOURCE_PROVIDER_H_