Update InternalStatsObserver to use the updated OnComplete callback in StatsObserver.

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/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/thread_task_runner_handle.h"
 #include "content/common/media/peer_connection_tracker_messages.h"
 #include "content/renderer/media/rtc_media_constraints.h"
@@ skipping 197 matching lines @@
     const webrtc::StatsReport& report) {
   if (report.values.empty())
     return NULL;
 
   base::DictionaryValue* dict = new base::DictionaryValue();
   dict->SetDouble("timestamp", report.timestamp);
 
   base::ListValue* values = new base::ListValue();
   dict->Set("values", values);
 
-  for (size_t i = 0; i < report.values.size(); ++i) {
-    values->AppendString(report.values[i].display_name());
-    values->AppendString(report.values[i].value);
+  for (const auto& v : report.values) {
+    values->AppendString(v.display_name());
+    values->AppendString(v.value);
   }
+
   return dict;
 }
 
 // Builds a DictionaryValue from the StatsReport.
 // The caller takes the ownership of the returned value.
 static base::DictionaryValue* GetDictValue(const webrtc::StatsReport& report) {
   scoped_ptr<base::DictionaryValue> stats, result;
 
   stats.reset(GetDictValueStats(report));
   if (!stats)
     return NULL;
 
   result.reset(new base::DictionaryValue());
   // 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.
   result->Set("stats", stats.release());
   result->SetString("id", report.id);
   result->SetString("type", report.type);
 
   return result.release();
 }
 
 class InternalStatsObserver : public webrtc::StatsObserver {
  public:
   InternalStatsObserver(int lid)
       : lid_(lid), main_thread_(base::ThreadTaskRunnerHandle::Get()) {}
 
-  void OnComplete(const std::vector<webrtc::StatsReport>& reports) override {
+  void OnComplete(const webrtc::StatsReports& reports) override {
     scoped_ptr<base::ListValue> list(new base::ListValue());
 
-    for (size_t i = 0; i < reports.size(); ++i) {
-      base::DictionaryValue* report = GetDictValue(reports[i]);
+    for (const auto* r : reports) {
+      base::DictionaryValue* report = GetDictValue(*r);
       if (report)
         list->Append(report);
     }
 
     if (!list->empty()) {
       main_thread_->PostTask(FROM_HERE,
           base::Bind(&InternalStatsObserver::OnCompleteImpl,
                      base::Passed(&list), lid_));
     }
   }
@@ skipping 308 matching lines @@
   DCHECK(main_thread_.CalledOnValidThread());
   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