Adding TryPostTask to the message loop

base/message_loop_unittest.cc

Index: base/message_loop_unittest.cc
diff --git a/base/message_loop_unittest.cc b/base/message_loop_unittest.cc
index 5a90a6f5dd465f7eb352b268aaed9b66fb90de91..9233b6e38c356b369e1ff77679da3c4fa7d85234 100644
--- a/base/message_loop_unittest.cc
+++ b/base/message_loop_unittest.cc
@@ -93,8 +93,9 @@ void RunTest_PostTask(MessageLoop::Type message_loop_type) {
       &Foo::Test1Int, foo.get(), 100));
   MessageLoop::current()->PostTask(FROM_HERE, Bind(
       &Foo::Test2Ptr, foo.get(), &a, &c));
-  MessageLoop::current()->PostTask(FROM_HERE, Bind(
-      &Foo::Test2Mixed, foo.get(), a, &d));
+
+  EXPECT_TRUE(MessageLoop::current()->TryPostTask(FROM_HERE, Bind(

[jar (doing other things), 2013/04/26 21:59:43]

You should probably add a test that holds the lock ahead of time, and expects a
false return from a try post.

I wonder if anyone else even uses try()?

+      &Foo::Test2Mixed, foo.get(), a, &d)));
 
   // After all tests, post a message that will shut down the message loop
   MessageLoop::current()->PostTask(FROM_HERE, Bind(