Remove calls to deprecated MessageLoop methods in chromeos.

chromeos/network/network_sms_handler_unittest.cc

Index: chromeos/network/network_sms_handler_unittest.cc
diff --git a/chromeos/network/network_sms_handler_unittest.cc b/chromeos/network/network_sms_handler_unittest.cc
index 039b2a3061090c5a41f0b5e22464628d2c28a43c..77894c4faea053a2a5e3e54d5abf81102b92729c 100644
--- a/chromeos/network/network_sms_handler_unittest.cc
+++ b/chromeos/network/network_sms_handler_unittest.cc
@@ -10,6 +10,7 @@
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/shill_device_client.h"
@@ -77,7 +78,7 @@ class NetworkSmsHandlerTest : public testing::Test {
     test_observer_.reset(new TestObserver());
     network_sms_handler_->AddObserver(test_observer_.get());
     network_sms_handler_->RequestUpdate(true);
-    message_loop_.RunUntilIdle();
+    base::RunLoop().RunUntilIdle();
   }
 
   void TearDown() override {
@@ -106,7 +107,7 @@ TEST_F(NetworkSmsHandlerTest, SmsHandlerDbusStub) {
   // Test for messages delivered by signals.
   test_observer_->ClearMessages();
   network_sms_handler_->RequestUpdate(false);
-  message_loop_.RunUntilIdle();
+  base::RunLoop().RunUntilIdle();
   EXPECT_GE(test_observer_->message_count(), 1);
   EXPECT_NE(messages.find(kMessage1), messages.end());
 }