Bug 1125030 - Handle VsyncChild shutdown in ActorDestroy(). r=bent

2015-01-29 22:19:00 +01:00
parent 01d4c273bc
commit 00c6a1afac
4 changed files with 25 additions and 8 deletions
--- a/layout/base/nsRefreshDriver.cpp
+++ b/layout/base/nsRefreshDriver.cpp
@@ -440,9 +440,13 @@ private:
    Tick(vsyncJsNow, aTimeStamp);
  }

-  nsRefPtr<RefreshTimerVsyncDispatcher> mVsyncDispatcher;
  nsRefPtr<RefreshDriverVsyncObserver> mVsyncObserver;
-  VsyncChild* mVsyncChild;
+  // Used for parent process.
+  nsRefPtr<RefreshTimerVsyncDispatcher> mVsyncDispatcher;
+  // Used for child process.
+  // The mVsyncChild will be always available before VsncChild::ActorDestroy().
+  // After ActorDestroy(), StartTimer() and StopTimer() calls will be non-op.
+  nsRefPtr<VsyncChild> mVsyncChild;
 }; // VsyncRefreshDriverTimer

 /*