Use SingleThreadTaskRunner instead of MessageLoopProxy in remoting/host.

remoting/host/screen_recorder_unittest.cc

Index: remoting/host/screen_recorder_unittest.cc
diff --git a/remoting/host/screen_recorder_unittest.cc b/remoting/host/screen_recorder_unittest.cc
index b7d6b3bc19e033ea3d76413fd81d78c2d7d725c4..a99adf39fc5404a3af4715c61596136e462eba00 100644
--- a/remoting/host/screen_recorder_unittest.cc
+++ b/remoting/host/screen_recorder_unittest.cc
@@ -86,9 +86,8 @@ class ScreenRecorderTest : public testing::Test {
     connection_->SetEventHandler(&handler_);
 
     record_ = new ScreenRecorder(
-        &message_loop_, &message_loop_,
-        base::MessageLoopProxy::current(),
-        &capturer_, encoder_);
+        message_loop_.message_loop_proxy(), message_loop_.message_loop_proxy(),
+        message_loop_.message_loop_proxy(), &capturer_, encoder_);
   }
 
   virtual void TearDown() OVERRIDE {