Remove calls to deprecated MessageLoop methods in content.

content/browser/loader/resource_dispatcher_host_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 <stddef.h>
 
 #include <memory>
 #include <utility>
 #include <vector>
 
@@ skipping 1547 matching lines @@
 
   // But it continues detached.
   EXPECT_EQ(1, host_.pending_requests());
   EXPECT_TRUE(info->detachable_handler()->is_detached());
 
   // Wait until after the delay timer times out before we start processing any
   // messages.
   base::OneShotTimer timer;
   timer.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(210),
               base::MessageLoop::current(), &base::MessageLoop::QuitWhenIdle);
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 
   // The prefetch should be cancelled by now.
   EXPECT_EQ(0, host_.pending_requests());
   EXPECT_EQ(1, network_delegate()->completed_requests());
   EXPECT_EQ(1, network_delegate()->canceled_requests());
   EXPECT_EQ(0, network_delegate()->error_count());
 }
 
 // If the filter has disappeared then detachable resources should continue to
 // load.
@@ skipping 431 matching lines @@
 
   // Cancel the requests to the test process.
   host_.CancelRequestsForProcess(filter_->child_id());
   EXPECT_EQ(1, host_.pending_requests());
 
   // Wait until after the delay timer times out before we start processing any
   // messages.
   base::OneShotTimer timer;
   timer.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(210),
               base::MessageLoop::current(), &base::MessageLoop::QuitWhenIdle);
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 
   // The prefetch should be cancelled by now.
   EXPECT_EQ(0, host_.pending_requests());
 
   // In case any messages are still to be processed.
   while (net::URLRequestTestJob::ProcessOnePendingMessage()) {}
   base::RunLoop().RunUntilIdle();
 
   ResourceIPCAccumulator::ClassifiedMessages msgs;
   accum_.GetClassifiedMessages(&msgs);
@@ skipping 1865 matching lines @@
   return nullptr;
 }
 
 INSTANTIATE_TEST_CASE_P(
     ResourceDispatcherHostTests,
     ResourceDispatcherHostTest,
     testing::Values(TestConfig::kDefault,
                     TestConfig::kOptimizeIPCForSmallResourceEnabled));
 
 }  // namespace content