Remove base::MessageLoop::{Quit,QuitClosure} functions

sync/internal_api/http_bridge_unittest.cc

Index: sync/internal_api/http_bridge_unittest.cc
diff --git a/sync/internal_api/http_bridge_unittest.cc b/sync/internal_api/http_bridge_unittest.cc
index 7c6fe8228eaec6df28832d8e3372397b3274827e..543947ed6e14debdb1aad5f5e58d817e42f5a36c 100644
--- a/sync/internal_api/http_bridge_unittest.cc
+++ b/sync/internal_api/http_bridge_unittest.cc
@@ -170,7 +170,8 @@ class MAYBE_SyncHttpBridgeTest : public testing::Test {
               http_bridge->GetRequestContextGetterForTest()->
                   GetURLRequestContext()->
                   http_transaction_factory()->GetSession());
-    main_message_loop->PostTask(FROM_HERE, base::MessageLoop::QuitClosure());
+    main_message_loop->PostTask(FROM_HERE,
+                                base::MessageLoop::QuitWhenIdleClosure());
   }
 
   base::MessageLoop* GetIOThreadLoop() { return io_thread_.message_loop(); }