Chromecast: MessageLoopProxy cleanup --> SingleThreadTaskRunner.

chromecast/media/cma/pipeline/media_pipeline_impl.cc

Index: chromecast/media/cma/pipeline/media_pipeline_impl.cc
diff --git a/chromecast/media/cma/pipeline/media_pipeline_impl.cc b/chromecast/media/cma/pipeline/media_pipeline_impl.cc
index ced7df14cc07a89e0acb2762e879082cd55e9c0c..29140cb4960293953a21d604b093836ca787e2dd 100644
--- a/chromecast/media/cma/pipeline/media_pipeline_impl.cc
+++ b/chromecast/media/cma/pipeline/media_pipeline_impl.cc
@@ -9,7 +9,8 @@
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
-#include "base/message_loop/message_loop_proxy.h"
+#include "base/single_thread_task_runner.h"
+#include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "chromecast/media/cdm/browser_cdm_cast.h"
 #include "chromecast/media/cma/backend/media_clock_device.h"
@@ -179,9 +180,8 @@ void MediaPipelineImpl::StartPlayingFrom(base::TimeDelta time) {
   statistics_rolling_counter_ = 0;
   if (!pending_time_update_task_) {
     pending_time_update_task_ = true;
-    base::MessageLoopProxy::current()->PostTask(
-        FROM_HERE,
-        base::Bind(&MediaPipelineImpl::UpdateMediaTime, weak_this_));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE, base::Bind(&MediaPipelineImpl::UpdateMediaTime, weak_this_));
   }
 
   // Setup the audio and video pipeline for the new timeline.
@@ -326,9 +326,8 @@ void MediaPipelineImpl::UpdateMediaTime() {
   base::TimeDelta media_time(clock_device_->GetTime());
   if (media_time == ::media::kNoTimestamp()) {
     pending_time_update_task_ = true;
-    base::MessageLoopProxy::current()->PostDelayedTask(
-        FROM_HERE,
-        base::Bind(&MediaPipelineImpl::UpdateMediaTime, weak_this_),
+    base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+        FROM_HERE, base::Bind(&MediaPipelineImpl::UpdateMediaTime, weak_this_),
         kTimeUpdateInterval);
     return;
   }
@@ -356,9 +355,8 @@ void MediaPipelineImpl::UpdateMediaTime() {
     client_.time_update_cb.Run(media_time, max_rendering_time, stc);
 
   pending_time_update_task_ = true;
-  base::MessageLoopProxy::current()->PostDelayedTask(
-      FROM_HERE,
-      base::Bind(&MediaPipelineImpl::UpdateMediaTime, weak_this_),
+  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+      FROM_HERE, base::Bind(&MediaPipelineImpl::UpdateMediaTime, weak_this_),
       kTimeUpdateInterval);
 }