Index: base/message_loop/message_loop.cc |
diff --git a/base/message_loop/message_loop.cc b/base/message_loop/message_loop.cc |
index 9bdcf406589aaabfd9a9ade97d25f828a6a7ac9e..7a04a5baf7c0189b4d4a03f855776e814c4284b0 100644 |
--- a/base/message_loop/message_loop.cc |
+++ b/base/message_loop/message_loop.cc |
@@ -278,11 +278,13 @@ bool MessageLoop::IsNested() { |
void MessageLoop::AddTaskObserver(TaskObserver* task_observer) { |
DCHECK_EQ(this, current()); |
+ CHECK(allow_task_observers_); |
task_observers_.AddObserver(task_observer); |
} |
void MessageLoop::RemoveTaskObserver(TaskObserver* task_observer) { |
DCHECK_EQ(this, current()); |
+ CHECK(allow_task_observers_); |
task_observers_.RemoveObserver(task_observer); |
} |