Index: media/cdm/player_tracker_impl.h |
diff --git a/media/cdm/player_tracker_impl.h b/media/cdm/player_tracker_impl.h |
index 6d4cee3b879eec66ecaf868ae6f83096be20b18a..569dd04dbf317f0cd9316133cdc2cff691e82129 100644 |
--- a/media/cdm/player_tracker_impl.h |
+++ b/media/cdm/player_tracker_impl.h |
@@ -9,6 +9,7 @@ |
#include "base/basictypes.h" |
#include "base/callback.h" |
+#include "base/synchronization/lock.h" |
#include "base/threading/thread_checker.h" |
#include "media/base/media_export.h" |
#include "media/base/player_tracker.h" |
@@ -46,6 +47,10 @@ class MEDIA_EXPORT PlayerTrackerImpl : public PlayerTracker { |
base::ThreadChecker thread_checker_; |
+ // Unable to post RegisterPlayer() to another thread since it returns the new |
+ // id. |
+ base::Lock lock_; |
+ |
DISALLOW_COPY_AND_ASSIGN(PlayerTrackerImpl); |
}; |