Removes MessageLoop::TYPE_XXX where possible

content/browser/loader/resource_scheduler_unittest.cc

Index: content/browser/loader/resource_scheduler_unittest.cc
diff --git a/content/browser/loader/resource_scheduler_unittest.cc b/content/browser/loader/resource_scheduler_unittest.cc
index 5f9c693952f19a414a75ceff03a267530638b0ce..c0a58c054e1c996d8574209dd761c8cced7a2ae1 100644
--- a/content/browser/loader/resource_scheduler_unittest.cc
+++ b/content/browser/loader/resource_scheduler_unittest.cc
@@ -125,7 +125,6 @@ class ResourceSchedulerTest : public testing::Test {
  protected:
   ResourceSchedulerTest()
       : next_request_id_(0),
-        message_loop_(base::MessageLoop::TYPE_IO),
         ui_thread_(BrowserThread::UI, &message_loop_),
         io_thread_(BrowserThread::IO, &message_loop_) {
     scheduler_.OnClientCreated(kChildId, kRouteId);
@@ -203,7 +202,7 @@ class ResourceSchedulerTest : public testing::Test {
   }
 
   int next_request_id_;
-  base::MessageLoop message_loop_;
+  base::MessageLoopForIO message_loop_;
   BrowserThreadImpl ui_thread_;
   BrowserThreadImpl io_thread_;
   ResourceDispatcherHostImpl rdh_;