Remove calls to deprecated MessageLoop methods in chrome.

chrome/browser/policy/policy_browsertest.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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
 #include <string>
@@ skipping 3391 matching lines @@
   UpdateProviderPolicy(policies);
 
   content::BrowserThread::PostTaskAndReply(
       content::BrowserThread::IO, FROM_HERE,
       base::Bind(&MediaCaptureDevicesDispatcher::SetTestAudioCaptureDevices,
                  base::Unretained(MediaCaptureDevicesDispatcher::GetInstance()),
                  audio_devices),
       base::Bind(&MediaStreamDevicesControllerBrowserTest::FinishAudioTest,
                  this));
 
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 }
 
 IN_PROC_BROWSER_TEST_P(MediaStreamDevicesControllerBrowserTest,
                        AudioCaptureAllowedUrls) {
   content::MediaStreamDevices audio_devices;
   content::MediaStreamDevice fake_audio_device(
       content::MEDIA_DEVICE_AUDIO_CAPTURE, "fake_dev", "Fake Audio Device");
   audio_devices.push_back(fake_audio_device);
 
   const char* allow_pattern[] = {
@@ skipping 13 matching lines @@
     content::BrowserThread::PostTaskAndReply(
         content::BrowserThread::IO, FROM_HERE,
         base::Bind(
             &MediaCaptureDevicesDispatcher::SetTestAudioCaptureDevices,
             base::Unretained(MediaCaptureDevicesDispatcher::GetInstance()),
             audio_devices),
         base::Bind(
             &MediaStreamDevicesControllerBrowserTest::FinishAudioTest,
             this));
 
-    base::MessageLoop::current()->Run();
+    base::RunLoop().Run();
   }
 }
 
 IN_PROC_BROWSER_TEST_P(MediaStreamDevicesControllerBrowserTest,
                        VideoCaptureAllowed) {
   content::MediaStreamDevices video_devices;
   content::MediaStreamDevice fake_video_device(
       content::MEDIA_DEVICE_VIDEO_CAPTURE, "fake_dev", "Fake Video Device");
   video_devices.push_back(fake_video_device);
 
   PolicyMap policies;
   ConfigurePolicyMap(&policies, key::kVideoCaptureAllowed, NULL, NULL);
   UpdateProviderPolicy(policies);
 
   content::BrowserThread::PostTaskAndReply(
       content::BrowserThread::IO, FROM_HERE,
       base::Bind(&MediaCaptureDevicesDispatcher::SetTestVideoCaptureDevices,
                  base::Unretained(MediaCaptureDevicesDispatcher::GetInstance()),
                  video_devices),
       base::Bind(&MediaStreamDevicesControllerBrowserTest::FinishVideoTest,
                  this));
 
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 }
 
 IN_PROC_BROWSER_TEST_P(MediaStreamDevicesControllerBrowserTest,
                        VideoCaptureAllowedUrls) {
   content::MediaStreamDevices video_devices;
   content::MediaStreamDevice fake_video_device(
       content::MEDIA_DEVICE_VIDEO_CAPTURE, "fake_dev", "Fake Video Device");
   video_devices.push_back(fake_video_device);
 
   const char* allow_pattern[] = {
@@ skipping 12 matching lines @@
 
     content::BrowserThread::PostTaskAndReply(
         content::BrowserThread::IO, FROM_HERE,
         base::Bind(&MediaCaptureDevicesDispatcher::SetTestVideoCaptureDevices,
             base::Unretained(MediaCaptureDevicesDispatcher::GetInstance()),
             video_devices),
         base::Bind(
             &MediaStreamDevicesControllerBrowserTest::FinishVideoTest,
             this));
 
-    base::MessageLoop::current()->Run();
+    base::RunLoop().Run();
   }
 }
 
 INSTANTIATE_TEST_CASE_P(MediaStreamDevicesControllerBrowserTestInstance,
                         MediaStreamDevicesControllerBrowserTest,
                         testing::Bool());
 
 class WebBluetoothPolicyTest : public PolicyTest {
   void SetUpCommandLine(base::CommandLine* command_line)override {
     // This is needed while Web Bluetooth is an Origin Trial, but can go away
@@ skipping 584 matching lines @@
 
   SetEmptyPolicy();
   // Policy not set.
   CheckSystemTimezoneAutomaticDetectionPolicyUnset();
   EXPECT_TRUE(CheckResolveTimezoneByGeolocation(true, false));
   EXPECT_TRUE(manager->TimeZoneResolverShouldBeRunningForTests());
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace policy