Removes MessageLoop::TYPE_XXX where possible

remoting/host/win/worker_process_launcher_unittest.cc

Index: remoting/host/win/worker_process_launcher_unittest.cc
diff --git a/remoting/host/win/worker_process_launcher_unittest.cc b/remoting/host/win/worker_process_launcher_unittest.cc
index cd92b111f20526aee7eb47fb964ba1fe672d0496..5503ab9ab763c8fec286432dc4f8b8efc5c1dcda 100644
--- a/remoting/host/win/worker_process_launcher_unittest.cc
+++ b/remoting/host/win/worker_process_launcher_unittest.cc
@@ -152,7 +152,7 @@ class WorkerProcessLauncherTest
  protected:
   void DoLaunchProcess();
 
-  base::MessageLoop message_loop_;
+  base::MessageLoopForIO message_loop_;
   scoped_refptr<AutoThreadTaskRunner> task_runner_;
 
   // Receives messages sent to the worker process.
@@ -180,9 +180,7 @@ class WorkerProcessLauncherTest
   ScopedHandle worker_process_;
 };
 
-WorkerProcessLauncherTest::WorkerProcessLauncherTest()
-    : message_loop_(base::MessageLoop::TYPE_IO),
-      event_handler_(NULL) {
+WorkerProcessLauncherTest::WorkerProcessLauncherTest() : event_handler_(NULL) {
 }
 
 WorkerProcessLauncherTest::~WorkerProcessLauncherTest() {