Remove the MessageLoop::DestructionObserver from mojo bindings.

content/renderer/media/render_media_log_unittest.cc

 // Copyright (c) 2014 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 <tuple>
 
 #include "base/macros.h"
+#include "base/message_loop/message_loop.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "base/test/test_mock_time_task_runner.h"
 #include "content/common/view_messages.h"
 #include "content/public/test/mock_render_thread.h"
 #include "content/renderer/media/render_media_log.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 class RenderMediaLogTest : public testing::Test {
@@ skipping 122 matching lines @@
   // Verify contents. There should only be a single buffered extents changed
   // event.
   std::vector<media::MediaLogEvent> events = GetMediaLogEvents();
   ASSERT_EQ(3u, events.size());
   EXPECT_EQ(media::MediaLogEvent::LOAD, events[0].type);
   EXPECT_EQ(media::MediaLogEvent::SEEK, events[1].type);
   EXPECT_EQ(media::MediaLogEvent::DURATION_SET, events[2].type);
 }
 
 }  // namespace content