Changes to upload tracked_objects data from all renderer

chrome/renderer/renderer_tracking.h

+// 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_RENDERER_RENDERER_TRACKING_H_
+#define CHROME_RENDERER_RENDERER_TRACKING_H_
+#pragma once
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/process.h"
+#include "base/task.h"
+#include "content/public/renderer/render_process_observer.h"
+
+class RendererTracking : public content::RenderProcessObserver {
+ public:
+  RendererTracking();
+  virtual ~RendererTracking();
+
+ private:
+  // RenderProcessObserver implementation.
+  virtual bool OnControlMessageReceived(const IPC::Message& message);
+
+  void OnGetRendererTrackingData(int sequence_number);
+
+  void OnSetTrackingStatus(bool enable);
+
+  // Extract tracking data from TrackedObjects and then send it off the
+  // Browser process.
+  void UploadAllTrackingData(int sequence_number);
+
+  ScopedRunnableMethodFactory<RendererTracking> renderer_tracking_factory_;
+
+  // Tracking data to send to the browser.
+  std::string pickled_tracking_data_;
+
+  DISALLOW_COPY_AND_ASSIGN(RendererTracking);
+};
+
+#endif  // CHROME_RENDERER_RENDERER_TRACKING_H_