Plug some of the leaks in dbus_unittests.

dbus/object_manager_unittest.cc

Index: dbus/object_manager_unittest.cc
diff --git a/dbus/object_manager_unittest.cc b/dbus/object_manager_unittest.cc
index 3e53095b12e4fefd7add9d87d6b31caec4b8848a..47b12a4ba9fcf252cda6ae491ad2e7cc08882794 100644
--- a/dbus/object_manager_unittest.cc
+++ b/dbus/object_manager_unittest.cc
@@ -10,6 +10,7 @@
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
 #include "dbus/bus.h"
@@ -105,6 +106,8 @@ class ObjectManagerTest
     // Stopping a thread is considered an IO operation, so do this after
     // allowing IO.
     test_service_->Stop();
+
+    base::RunLoop().RunUntilIdle();
   }
 
   void MethodCallback(Response* response) {
@@ -140,7 +143,7 @@ class ObjectManagerTest
   void WaitForObject() {
     while (added_objects_.size() < kExpectedObjects ||
            updated_properties_.size() < kExpectedProperties)
-      message_loop_.Run();
+      base::RunLoop().Run();
     for (size_t i = 0; i < kExpectedObjects; ++i)
       added_objects_.erase(added_objects_.begin());
     for (size_t i = 0; i < kExpectedProperties; ++i)
@@ -149,13 +152,13 @@ class ObjectManagerTest
 
   void WaitForRemoveObject() {
     while (removed_objects_.size() < kExpectedObjects)
-      message_loop_.Run();
+      base::RunLoop().Run();
     for (size_t i = 0; i < kExpectedObjects; ++i)
       removed_objects_.erase(removed_objects_.begin());
   }
 
   void WaitForMethodCallback() {
-    message_loop_.Run();
+    base::RunLoop().Run();
     method_callback_called_ = false;
   }