Make base::Timer sequence-friendly.

media/base/android/media_codec_loop.cc

 // Copyright 2016 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/base/android/media_codec_loop.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 21 matching lines @@
       presentation_time(other.presentation_time),
       is_eos(other.is_eos),
       encryption_scheme(other.encryption_scheme) {}
 
 MediaCodecLoop::InputData::~InputData() {}
 
 MediaCodecLoop::MediaCodecLoop(
     int sdk_int,
     Client* client,
     std::unique_ptr<MediaCodecBridge> media_codec,
-    scoped_refptr<base::SingleThreadTaskRunner> task_runner)
+    scoped_refptr<base::SingleThreadTaskRunner> timer_task_runner)
     : state_(STATE_READY),
       client_(client),
       media_codec_(std::move(media_codec)),
       pending_input_buf_index_(kInvalidBufferIndex),
       sdk_int_(sdk_int),
       weak_factory_(this) {
-  if (task_runner)
-    io_timer_.SetTaskRunner(task_runner);
+  if (timer_task_runner)
+    io_timer_.SetTaskRunner(timer_task_runner);
   // TODO(liberato): should this DCHECK?
   if (media_codec_ == nullptr)
     SetState(STATE_ERROR);
 }
 
 MediaCodecLoop::~MediaCodecLoop() {
   io_timer_.Stop();
 }
 
 void MediaCodecLoop::SetTestTickClock(base::TickClock* test_tick_clock) {
@@ skipping 300 matching lines @@
     RETURN_STRING(STATE_DRAINED);
     RETURN_STRING(STATE_ERROR);
   }
 #undef RETURN_STRING
 
   NOTREACHED() << "Unknown state " << state;
   return nullptr;
 }
 
 }  // namespace media