Remove calls to deprecated MessageLoop methods in chrome.

chrome/browser/external_protocol/external_protocol_handler_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/external_protocol/external_protocol_handler.h"
 
 #include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
 #include "content/public/test/test_browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using content::BrowserThread;
 
 class FakeExternalProtocolHandlerWorker
     : public shell_integration::DefaultProtocolClientWorker {
  public:
   FakeExternalProtocolHandlerWorker(
       const shell_integration::DefaultWebClientWorkerCallback& callback,
@@ skipping 105 matching lines @@
     GURL url("mailto:test@test.com");
     ASSERT_FALSE(delegate_.has_prompted());
     ASSERT_FALSE(delegate_.has_launched());
     ASSERT_FALSE(delegate_.has_blocked());
 
     delegate_.set_block_state(block_state);
     delegate_.set_os_state(os_state);
     ExternalProtocolHandler::LaunchUrlWithDelegate(
         url, 0, 0, ui::PAGE_TRANSITION_LINK, true, &delegate_);
     if (block_state != ExternalProtocolHandler::BLOCK)
-      base::MessageLoop::current()->Run();
+      base::RunLoop().Run();
 
     ASSERT_EQ(should_prompt, delegate_.has_prompted());
     ASSERT_EQ(should_launch, delegate_.has_launched());
     ASSERT_EQ(should_block, delegate_.has_blocked());
   }
 
   base::MessageLoopForUI ui_message_loop_;
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread file_thread_;
 
@@ skipping 37 matching lines @@
 
 TEST_F(ExternalProtocolHandlerTest, TestLaunchSchemeUnknownChromeNotDefault) {
   DoTest(ExternalProtocolHandler::UNKNOWN, shell_integration::NOT_DEFAULT, true,
          false, false);
 }
 
 TEST_F(ExternalProtocolHandlerTest, TestLaunchSchemeUnknownChromeUnknown) {
   DoTest(ExternalProtocolHandler::UNKNOWN, shell_integration::UNKNOWN_DEFAULT,
          true, false, false);
 }