Remove calls to deprecated MessageLoop methods in chrome.

chrome/renderer/autofill/autofill_renderer_browsertest.cc

Index: chrome/renderer/autofill/autofill_renderer_browsertest.cc
diff --git a/chrome/renderer/autofill/autofill_renderer_browsertest.cc b/chrome/renderer/autofill/autofill_renderer_browsertest.cc
index 5e54b6b0b979a58373cdafd67f9d876f3fa59467..c9d71ed0baf189bb61a6a6094a9a9d66c37b40a4 100644
--- a/chrome/renderer/autofill/autofill_renderer_browsertest.cc
+++ b/chrome/renderer/autofill/autofill_renderer_browsertest.cc
@@ -134,7 +134,7 @@ TEST_F(AutofillRendererTest, SendForms) {
       "newForm.appendChild(newLastname);"
       "newForm.appendChild(newEmail);"
       "document.body.appendChild(newForm);");
-  msg_loop_.RunUntilIdle();
+  base::RunLoop().RunUntilIdle();
 
   message = render_thread_->sink().GetFirstMessageMatching(
       AutofillHostMsg_FormsSeen::ID);
@@ -212,7 +212,7 @@ TEST_F(AutofillRendererTest, DynamicallyAddedUnownedFormElements) {
   render_thread_->sink().ClearMessages();
 
   ExecuteJavaScriptForTests("AddFields()");
-  msg_loop_.RunUntilIdle();
+  base::RunLoop().RunUntilIdle();
 
   message = render_thread_->sink().GetFirstMessageMatching(
       AutofillHostMsg_FormsSeen::ID);