Collect profiler stats from browser child processes.

chrome/renderer/renderer_tracking.cc

-// 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.
-
-#include "chrome/renderer/renderer_tracking.h"
-
-#include <ctype.h>
-
-#include "base/json/json_writer.h"
-#include "base/logging.h"
-#include "base/message_loop.h"
-#include "base/process.h"
-#include "base/process_util.h"
-#include "base/tracked_objects.h"
-#include "chrome/common/render_messages.h"
-#include "content/public/renderer/render_thread.h"
-
-using content::RenderThread;
-
-RendererTracking::RendererTracking()
-    : ALLOW_THIS_IN_INITIALIZER_LIST(renderer_tracking_factory_(this)) {
-}
-
-RendererTracking::~RendererTracking() {
-}
-
-bool RendererTracking::OnControlMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(RendererTracking, message)
-    IPC_MESSAGE_HANDLER(ChromeViewMsg_GetRendererTrackedData,
-                        OnGetRendererTrackingData)
-    IPC_MESSAGE_HANDLER(ChromeViewMsg_SetTrackingStatus,
-                        OnSetTrackingStatus)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void RendererTracking::OnGetRendererTrackingData(int sequence_number) {
-  RenderThread::Get()->GetMessageLoop()->PostTask(FROM_HERE,
-      renderer_tracking_factory_.NewRunnableMethod(
-          &RendererTracking::UploadAllTrackingData,
-          sequence_number));
-}
-
-void RendererTracking::OnSetTrackingStatus(bool enable) {
-  tracked_objects::ThreadData::InitializeAndSetTrackingStatus(enable);
-}
-
-void RendererTracking::UploadAllTrackingData(int sequence_number) {
-  scoped_ptr<base::DictionaryValue> value(
-      tracked_objects::ThreadData::ToValue());
-  value->SetInteger("process_id", base::GetCurrentProcId());
-
-  std::string pickled_tracking_data;
-  base::JSONWriter::Write(value.get(), false, &pickled_tracking_data);
-
-  // Send the sequence number and list of pickled tracking data over synchronous
-  // IPC, so we can clear pickled_tracking_data_ afterwards.
-  RenderThread::Get()->Send(new ChromeViewHostMsg_RendererTrackedData(
-      sequence_number, pickled_tracking_data));
-}