Trace FrameTreeNode Snapshots

content/renderer/render_frame_impl.cc

 // 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.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 1023 matching lines @@
 #if defined(OS_ANDROID)
   new GinJavaBridgeDispatcher(this);
 #endif
 
 #if defined(ENABLE_PLUGINS)
   // Manages its own lifetime.
   plugin_power_saver_helper_ = new PluginPowerSaverHelper(this);
 #endif
 
   manifest_manager_ = new ManifestManager(this);
+
+  TRACE_EVENT_OBJECT_CREATED_WITH_ID(

[Sami, 2016/03/02 00:29:01]

Once my part lands we don't need the changes in this file, right?

[benjhayden, 2016/03/02 18:53:03]

Right :-)
The changes in this file are just so that I can test the idRefs from
FrameTreeNode to RenderFrame, and to compare to your RenderFrame snapshots.
Both of those are done so I'll undo these changes.

+      "navigation", "RenderFrame",
+      TRACE_ID_WITH_SCOPE("RenderFrame", routing_id_));
+  TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID(
+      "navigation", "RenderFrame",
+      TRACE_ID_WITH_SCOPE("RenderFrame", routing_id_), "");
 }
 
 RenderFrameImpl::~RenderFrameImpl() {
   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, RenderFrameGone());
   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnDestruct());
 
   base::trace_event::TraceLog::GetInstance()->RemoveProcessLabel(routing_id_);
 
 #if defined(VIDEO_HOLE)
   if (contains_media_player_)
@@ skipping 15 matching lines @@
     // Ensure the RenderView doesn't point to this object, once it is destroyed.
     // TODO(nasko): Add a check that the |main_render_frame_| of |render_view_|
     // is |this|, once the object is no longer leaked.
     // See https://crbug.com/464764.
     render_view_->main_render_frame_ = nullptr;
   }
 
   render_view_->UnregisterRenderFrame(this);
   g_routing_id_frame_map.Get().erase(routing_id_);
   RenderThread::Get()->RemoveRoute(routing_id_);
+
+  TRACE_EVENT_OBJECT_DELETED_WITH_ID(
+      "navigation", "RenderFrame",
+      TRACE_ID_WITH_SCOPE("RenderFrame", routing_id_));
 }
 
 void RenderFrameImpl::BindToWebFrame(blink::WebLocalFrame* web_frame) {
   DCHECK(!frame_);
 
   std::pair<FrameMap::iterator, bool> result = g_frame_map.Get().insert(
       std::make_pair(web_frame, this));
   CHECK(result.second) << "Inserting a duplicate item.";
 
   frame_ = web_frame;
@@ skipping 5014 matching lines @@
                                     int match_count,
                                     int ordinal,
                                     const WebRect& selection_rect,
                                     bool final_status_update) {
   Send(new FrameHostMsg_Find_Reply(routing_id_, request_id, match_count,
                                    selection_rect, ordinal,
                                    final_status_update));
 }
 
 }  // namespace content