Fixes webrtc-internals stats reporting for the new stats API.

content/renderer/media/peer_connection_tracker.cc

 // Copyright (c) 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/media/peer_connection_tracker.h"
 
 #include "base/utf_string_conversions.h"
 #include "content/common/media/peer_connection_tracker_messages.h"
 #include "content/renderer/media/rtc_media_constraints.h"
 #include "content/renderer/media/rtc_peer_connection_handler.h"
 #include "content/renderer/render_thread_impl.h"
@@ skipping 134 matching lines @@
     GET_STRING_OF_STATE(ICEGatheringStateComplete)
     default:
       NOTREACHED();
       break;
   }
   return result;
 }
 
 // Builds a DictionaryValue from the StatsReport.
 // The caller takes the ownership of the returned value.
+// Note:
+// The format must be consistent with what webrtc_internals.js expects.
+// If you change it here, you must change webrtc_internals.js as well.
 static DictionaryValue* GetDictValueStats(const webrtc::StatsReport& report) {
   if (report.values.empty())
     return NULL;
 
   DictionaryValue* dict = new DictionaryValue();
   if (!dict)
     return NULL;
   dict->SetDouble("timestamp", report.timestamp);
 
   ListValue* values = new ListValue();
@@ skipping 16 matching lines @@
   scoped_ptr<DictionaryValue> stats, result;
 
   stats.reset(GetDictValueStats(report));
   if (!stats)
     return NULL;
 
   result.reset(new DictionaryValue());
   if (!result)
     return NULL;
 
+  // Note:
+  // The format must be consistent with what webrtc_internals.js expects.
+  // If you change it here, you must change webrtc_internals.js as well.
   if (stats)
     result->Set("stats", stats.release());
   result->SetString("id", report.id);
   result->SetString("type", report.type);
 
   return result.release();
 }
 
 class InternalStatsObserver : public webrtc::StatsObserver {
  public:
@@ skipping 246 matching lines @@
     const std::string& value) {
   if (peer_connection_id_map_.find(pc_handler) == peer_connection_id_map_.end())
     return;
 
   RenderThreadImpl::current()->Send(
       new PeerConnectionTrackerHost_UpdatePeerConnection(
           peer_connection_id_map_[pc_handler], type, value));
 }
 
 }  // namespace content