Remove MessageLoop references in /media/remoting

MessageLoop is going away soon.

This CL was uploaded by git cl split.

R=mfoltz@chromium.org

Bug: 891670
Change-Id: I1678e50cd81155739b1493f68de637bc781abcb9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1943186
Auto-Submit: Carlos Caballero <carlscab@google.com>
Reviewed-by: mark a. foltz <mfoltz@chromium.org>
Commit-Queue: mark a. foltz <mfoltz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#720590}

media/remoting/demuxer_stream_adapter_unittest.cc

@@ -9,9 +9,9 @@
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
-#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
+#include "base/test/task_environment.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/demuxer_stream.h"
 #include "media/remoting/fake_media_resource.h"
@@ -130,7 +130,8 @@ class DemuxerStreamAdapterTest : public ::testing::Test {
         stream_sender.InitWithNewPipeAndPassReceiver(),
         std::move(consumer_end)));
     demuxer_stream_adapter_.reset(new MockDemuxerStreamAdapter(
-        message_loop_.task_runner(), message_loop_.task_runner(), "test",
+        task_environment_.GetMainThreadTaskRunner(),
+        task_environment_.GetMainThreadTaskRunner(), "test",
         demuxer_stream_.get(), std::move(stream_sender),
         std::move(producer_end)));
     // DemuxerStreamAdapter constructor posts task to main thread to
@@ -147,7 +148,7 @@ class DemuxerStreamAdapterTest : public ::testing::Test {
   void SetUp() override { SetUpDataPipe(); }
 
   // TODO(miu): Add separate media thread, to test threading also.
-  base::MessageLoop message_loop_;
+  base::test::SingleThreadTaskEnvironment task_environment_;
   std::unique_ptr<FakeDemuxerStream> demuxer_stream_;
   std::unique_ptr<FakeRemotingDataStreamSender> data_stream_sender_;
   std::unique_ptr<MockDemuxerStreamAdapter> demuxer_stream_adapter_;

media/remoting/renderer_controller_unittest.cc

@@ -7,9 +7,9 @@
 #include <memory>
 
 #include "base/callback.h"
-#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/test/simple_test_tick_clock.h"
+#include "base/test/task_environment.h"
 #include "build/build_config.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/cdm_config.h"
@@ -164,7 +164,7 @@ class RendererControllerTest : public ::testing::Test,
     EXPECT_FALSE(IsInDelayedStart());
   }
 
-  base::MessageLoop message_loop_;
+  base::test::SingleThreadTaskEnvironment task_environment_;
 
  protected:
   bool is_rendering_remotely_ = false;

media/remoting/rpc_broker_unittest.cc

@@ -11,8 +11,8 @@
 #include "base/callback_helpers.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
+#include "base/test/task_environment.h"
 #include "media/remoting/media_remoting_rpc.pb.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -133,7 +133,7 @@ TEST_F(RpcBrokerTest, TestProcessMessageFromRemoteUnregistered) {
 }
 
 TEST_F(RpcBrokerTest, TestSendMessageToRemote) {
-  std::unique_ptr<base::MessageLoop> message_loop(new base::MessageLoop());
+  base::test::SingleThreadTaskEnvironment task_environment;
 
   std::unique_ptr<FakeMessageSender> fake_sender(new FakeMessageSender());
   ASSERT_FALSE(fake_sender->has_sent_message());
@@ -150,7 +150,7 @@ TEST_F(RpcBrokerTest, TestSendMessageToRemote) {
 }
 
 TEST_F(RpcBrokerTest, RpcBrokerSendMessageCallback) {
-  std::unique_ptr<base::MessageLoop> message_loop(new base::MessageLoop());
+  base::test::SingleThreadTaskEnvironment task_environment;
 
   std::unique_ptr<FakeMessageSender> fake_sender(new FakeMessageSender());
   ASSERT_FALSE(fake_sender->has_sent_message());