Plug some of the leaks in dbus_unittests.

dbus/property_unittest.cc

Index: dbus/property_unittest.cc
diff --git a/dbus/property_unittest.cc b/dbus/property_unittest.cc
index e078c0044d1f9a16e1193b39cca05c3eefc0ebfe..6cd970192ccd0c7b17543fc0f90001951489d9a5 100644
--- a/dbus/property_unittest.cc
+++ b/dbus/property_unittest.cc
@@ -11,6 +11,7 @@
 #include "base/bind.h"
 #include "base/logging.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"
@@ -118,7 +119,7 @@ class PropertyTest : public testing::Test {
   // Waits for the given number of updates.
   void WaitForUpdates(size_t num_updates) {
     while (updated_properties_.size() < num_updates)
-      message_loop_.Run();
+      base::RunLoop().Run();
     for (size_t i = 0; i < num_updates; ++i)
       updated_properties_.erase(updated_properties_.begin());
   }
@@ -136,7 +137,7 @@ class PropertyTest : public testing::Test {
   // other; you can set this to whatever you wish.
   void WaitForCallback(const std::string& id) {
     while (last_callback_ != id) {
-      message_loop_.Run();
+      base::RunLoop().Run();
     }
   }