Remove calls to MessageLoop::current() in media.

media/gpu/v4l2_slice_video_decode_accelerator.cc

 // Copyright 2015 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 "media/gpu/v4l2_slice_video_decode_accelerator.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <linux/videodev2.h>
 #include <poll.h>
 #include <string.h>
 #include <sys/eventfd.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/callback_helpers.h"
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/numerics/safe_conversions.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "media/base/bind_to_current_loop.h"
 #include "media/base/media_switches.h"
 #include "media/gpu/shared_memory_region.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/scoped_binders.h"
 
 #define LOGF(level) LOG(level) << __FUNCTION__ << "(): "
 #define DVLOGF(level) DVLOG(level) << __FUNCTION__ << "(): "
 
@@ skipping 774 matching lines @@
   for (auto picture_buffer_id : picture_buffer_ids) {
     DVLOGF(1) << "dismissing PictureBuffer id=" << picture_buffer_id;
     client_->DismissPictureBuffer(picture_buffer_id);
   }
 
   done->Signal();
 }
 
 void V4L2SliceVideoDecodeAccelerator::DevicePollTask(bool poll_device) {
   DVLOGF(4);
-  DCHECK_EQ(device_poll_thread_.message_loop(), base::MessageLoop::current());
+  DCHECK(device_poll_thread_.task_runner()->BelongsToCurrentThread());
 
   bool event_pending;
   if (!device_->Poll(poll_device, &event_pending)) {
     NOTIFY_ERROR(PLATFORM_FAILURE);
     return;
   }
 
   // All processing should happen on ServiceDeviceTask(), since we shouldn't
   // touch encoder state from this thread.
   decoder_thread_task_runner_->PostTask(
@@ skipping 1969 matching lines @@
 V4L2SliceVideoDecodeAccelerator::GetSupportedProfiles() {
   scoped_refptr<V4L2Device> device = V4L2Device::Create(V4L2Device::kDecoder);
   if (!device)
     return SupportedProfiles();
 
   return device->GetSupportedDecodeProfiles(arraysize(supported_input_fourccs_),
                                             supported_input_fourccs_);
 }
 
 }  // namespace media