Remove calls to deprecated MessageLoop methods in content.

content/renderer/device_sensors/device_light_event_pump_unittest.cc

Index: content/renderer/device_sensors/device_light_event_pump_unittest.cc
diff --git a/content/renderer/device_sensors/device_light_event_pump_unittest.cc b/content/renderer/device_sensors/device_light_event_pump_unittest.cc
index 5995ec698c46a003f5eee6b5a57e617db7798f36..b1f1f147741f9d3f4d93324b2cb54282da9c1dea 100644
--- a/content/renderer/device_sensors/device_light_event_pump_unittest.cc
+++ b/content/renderer/device_sensors/device_light_event_pump_unittest.cc
@@ -6,6 +6,7 @@
 
 #include "base/location.h"
 #include "base/macros.h"
+#include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "content/common/device_sensors/device_light_hardware_buffer.h"
@@ -107,7 +108,7 @@ TEST_F(DeviceLightEventPumpTest, DidStartPolling) {
   light_pump()->Start(listener());
   light_pump()->OnDidStart(handle());
 
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 
   const DeviceLightData& received_data = listener()->data();
   EXPECT_TRUE(listener()->did_change_device_light());
@@ -120,7 +121,7 @@ TEST_F(DeviceLightEventPumpTest, FireAllNullEvent) {
   light_pump()->Start(listener());
   light_pump()->OnDidStart(handle());
 
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 
   const DeviceLightData& received_data = listener()->data();
   EXPECT_TRUE(listener()->did_change_device_light());
@@ -135,7 +136,7 @@ TEST_F(DeviceLightEventPumpTest, DidStartPollingValuesEqual) {
   light_pump()->Start(listener());
   light_pump()->OnDidStart(handle());
 
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 
   const DeviceLightData& received_data = listener()->data();
   EXPECT_TRUE(listener()->did_change_device_light());
@@ -152,7 +153,7 @@ TEST_F(DeviceLightEventPumpTest, DidStartPollingValuesEqual) {
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(&DeviceLightEventPumpForTesting::FireEvent,
                             base::Unretained(light_pump())));
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 
   // No change in device light as present value is same as previous value.
   EXPECT_FALSE(listener()->did_change_device_light());