Add thread checker to StatsCollection.

talk/app/webrtc/statstypes.cc

 /*
  * libjingle
  * Copyright 2014 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 702 matching lines @@
 
 const StatsReport::Value* StatsReport::FindValue(StatsValueName name) const {
   Values::const_iterator it = values_.find(name);
   return it == values_.end() ? nullptr : it->second.get();
 }
 
 StatsCollection::StatsCollection() {
 }
 
 StatsCollection::~StatsCollection() {
+  DCHECK(thread_checker_.CalledOnValidThread());
   for (auto* r : list_)
     delete r;
 }
 
 StatsCollection::const_iterator StatsCollection::begin() const {
+  DCHECK(thread_checker_.CalledOnValidThread());
   return list_.begin();
 }
 
 StatsCollection::const_iterator StatsCollection::end() const {
+  DCHECK(thread_checker_.CalledOnValidThread());
   return list_.end();
 }
 
 size_t StatsCollection::size() const {
+  DCHECK(thread_checker_.CalledOnValidThread());
   return list_.size();
 }
 
 StatsReport* StatsCollection::InsertNew(const StatsReport::Id& id) {
+  DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(Find(id) == nullptr);
   StatsReport* report = new StatsReport(id);
   list_.push_back(report);
   return report;
 }
 
 StatsReport* StatsCollection::FindOrAddNew(const StatsReport::Id& id) {
+  DCHECK(thread_checker_.CalledOnValidThread());
   StatsReport* ret = Find(id);
   return ret ? ret : InsertNew(id);
 }
 
 StatsReport* StatsCollection::ReplaceOrAddNew(const StatsReport::Id& id) {
+  DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(id.get());
   Container::iterator it = std::find_if(list_.begin(), list_.end(),
       [&id](const StatsReport* r)->bool { return r->id()->Equals(id); });
   if (it != end()) {
     StatsReport* report = new StatsReport((*it)->id());
     delete *it;
     *it = report;
     return report;
   }
   return InsertNew(id);
 }
 
 // Looks for a report with the given |id|.  If one is not found, NULL
 // will be returned.
 StatsReport* StatsCollection::Find(const StatsReport::Id& id) {
+  DCHECK(thread_checker_.CalledOnValidThread());
   Container::iterator it = std::find_if(list_.begin(), list_.end(),
       [&id](const StatsReport* r)->bool { return r->id()->Equals(id); });
   return it == list_.end() ? nullptr : *it;
 }
 
 }  // namespace webrtc