Convert renderer JS memory usage reporting to use Mojo.

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 "base/basictypes.h"
+#include "base/memory/scoped_ptr.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:
@@ skipping 16 matching lines @@
 
   // RenderResources always provide the network usage.
   bool SupportNetworkUsage() const override;
   void SetSupportNetworkUsage() override {}
 
   void Refresh() override;
 
   void NotifyResourceTypeStats(
       const blink::WebCache::ResourceTypeStats& stats) override;
 
-  void NotifyV8HeapStats(size_t v8_memory_allocated,
-                         size_t v8_memory_used) override;
-
   content::RenderViewHost* render_view_host() const {
     return render_view_host_;
   }
 
  private:
   base::ProcessHandle process_;
-  int pid_;
   int unique_process_id_;
 
   // RenderViewHost we use to fetch stats.
   content::RenderViewHost* render_view_host_;
   // The stats_ field holds information about resource usage in the renderer
   // process and so it is updated asynchronously by the Refresh() call.
   blink::WebCache::ResourceTypeStats stats_;
   // This flag is true if we are waiting for the renderer to report its stats.
   bool pending_stats_update_;
 
-  // We do a similar dance to gather the V8 memory usage in a process.
-  size_t v8_memory_allocated_;
-  size_t v8_memory_used_;
-  bool pending_v8_memory_allocated_update_;
+  scoped_ptr<ProcessResourceUsage> process_resource_usage_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererResource);
 };
 
 }  // namespace task_manager
 
 #endif  // CHROME_BROWSER_TASK_MANAGER_RENDERER_RESOURCE_H_