Add thread checker to StatsCollection.

talk/app/webrtc/statstypes.h

 /*
  * libjingle
  * Copyright 2012 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 25 matching lines @@
 #include <map>
 #include <string>
 
 #include "webrtc/base/basictypes.h"
 #include "webrtc/base/common.h"
 #include "webrtc/base/refcount.h"
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/base/linked_ptr.h"
 #include "webrtc/base/scoped_ref_ptr.h"
 #include "webrtc/base/stringencode.h"
+#include "webrtc/base/thread_checker.h"
 
 namespace webrtc {
 
 class StatsReport {
  public:
   // Indicates whether a track is for sending or receiving.
   // Used in reports for audio/video tracks.
   enum Direction {
     kSend = 0,
     kReceive,
@@ skipping 320 matching lines @@
 // Typedef for an array of const StatsReport pointers.
 // Ownership of the pointers held by this implementation is assumed to lie
 // elsewhere and lifetime guarantees are made by the implementation that uses
 // this type.  In the StatsCollector, object ownership lies with the
 // StatsCollection class.
 typedef std::vector<const StatsReport*> StatsReports;
 
 // A map from the report id to the report.
 // This class wraps an STL container and provides a limited set of
 // functionality in order to keep things simple.
-// TODO(tommi): Use a thread checker here (currently not in libjingle).
 class StatsCollection {
  public:
   StatsCollection();
   ~StatsCollection();
 
   typedef std::list<StatsReport*> Container;
   typedef Container::iterator iterator;
   typedef Container::const_iterator const_iterator;
 
   const_iterator begin() const;
   const_iterator end() const;
   size_t size() const;
 
   // Creates a new report object with |id| that does not already
   // exist in the list of reports.
   StatsReport* InsertNew(const StatsReport::Id& id);
   StatsReport* FindOrAddNew(const StatsReport::Id& id);
   StatsReport* ReplaceOrAddNew(const StatsReport::Id& id);
 
   // Looks for a report with the given |id|.  If one is not found, NULL
   // will be returned.
   StatsReport* Find(const StatsReport::Id& id);
 
  private:
   Container list_;
+  rtc::ThreadChecker thread_checker_;
 };
 
 }  // namespace webrtc
 
 #endif  // TALK_APP_WEBRTC_STATSTYPES_H_