Move the Mac Task Manager to the new backend code.

chrome/browser/task_manager/renderer_resource.h

-// Copyright 2013 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_RENDERER_RESOURCE_H_
-#define CHROME_BROWSER_TASK_MANAGER_RENDERER_RESOURCE_H_
-
-#include <stddef.h>
-
-#include <memory>
-
-#include "base/macros.h"
-#include "chrome/browser/task_manager/resource_provider.h"
-
-class ProcessResourceUsage;
-
-namespace content {
-class RenderViewHost;
-}
-
-namespace task_manager {
-
-// Base class for various types of render process resources that provides common
-// functionality like stats tracking.
-class RendererResource : public Resource {
- public:
-  RendererResource(base::ProcessHandle process,
-                   content::RenderViewHost* render_view_host);
-  ~RendererResource() override;
-
-  // Resource methods:
-  base::string16 GetProfileName() const override;
-  base::ProcessHandle GetProcess() const override;
-  int GetUniqueChildProcessId() const override;
-  Type GetType() const override;
-  int GetRoutingID() const override;
-
-  bool ReportsCacheStats() const override;
-  blink::WebCache::ResourceTypeStats GetWebCoreCacheStats() const override;
-  bool ReportsV8MemoryStats() const override;
-  size_t GetV8MemoryAllocated() const override;
-  size_t GetV8MemoryUsed() const override;
-
-  // RenderResources always provide the network usage.
-  bool SupportNetworkUsage() const override;
-  void SetSupportNetworkUsage() override {}
-
-  void Refresh() override;
-
-  content::RenderViewHost* render_view_host() const {
-    return render_view_host_;
-  }
-
- private:
-  base::ProcessHandle process_;
-  int unique_process_id_;
-
-  // RenderViewHost we use to fetch stats.
-  content::RenderViewHost* render_view_host_;
-
-  std::unique_ptr<ProcessResourceUsage> process_resource_usage_;
-
-  DISALLOW_COPY_AND_ASSIGN(RendererResource);
-};
-
-}  // namespace task_manager
-
-#endif  // CHROME_BROWSER_TASK_MANAGER_RENDERER_RESOURCE_H_