chrome/browser/task_manager/renderer_resource.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_TASK_MANAGER_RENDERER_RESOURCE_H_
   6 #define CHROME_BROWSER_TASK_MANAGER_RENDERER_RESOURCE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "chrome/browser/task_manager/resource_provider.h"
  11
  12 class ProcessResourceUsage;
  13
  14 namespace content {
  15 class RenderViewHost;
  16 }
  17
  18 namespace task_manager {
  19
  20 // Base class for various types of render process resources that provides common
  21 // functionality like stats tracking.
  22 class RendererResource : public Resource {
  23  public:
  24   RendererResource(base::ProcessHandle process,
  25                    content::RenderViewHost* render_view_host);
  26   ~RendererResource() override;
  27
  28   // Resource methods:
  29   base::string16 GetProfileName() const override;
  30   base::ProcessHandle GetProcess() const override;
  31   int GetUniqueChildProcessId() const override;
  32   Type GetType() const override;
  33   int GetRoutingID() const override;
  34
  35   bool ReportsCacheStats() const override;
  36   blink::WebCache::ResourceTypeStats GetWebCoreCacheStats() const override;
  37   bool ReportsV8MemoryStats() const override;
  38   size_t GetV8MemoryAllocated() const override;
  39   size_t GetV8MemoryUsed() const override;
  40
  41   // RenderResources always provide the network usage.
  42   bool SupportNetworkUsage() const override;
  43   void SetSupportNetworkUsage() override {}
  44
  45   void Refresh() override;
  46
  47   content::RenderViewHost* render_view_host() const {
  48     return render_view_host_;
  49   }
  50
  51  private:
  52   base::ProcessHandle process_;
  53   int unique_process_id_;
  54
  55   // RenderViewHost we use to fetch stats.
  56   content::RenderViewHost* render_view_host_;
  57
  58   scoped_ptr<ProcessResourceUsage> process_resource_usage_;
  59
  60   DISALLOW_COPY_AND_ASSIGN(RendererResource);
  61 };
  62
  63 }  // namespace task_manager
  64
  65 #endif  // CHROME_BROWSER_TASK_MANAGER_RENDERER_RESOURCE_H_