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

media/audio/audio_device_thread.cc

Index: media/audio/audio_device_thread.cc
diff --git a/media/audio/audio_device_thread.cc b/media/audio/audio_device_thread.cc
index 5d0767a3f087b58dd6a104eced9069de4ed41a34..ce3bd0bd6a04dafe1476b8770e5ad1bfeb54eeba 100644
--- a/media/audio/audio_device_thread.cc
+++ b/media/audio/audio_device_thread.cc
@@ -9,13 +9,14 @@
 
 #include <algorithm>
 #include <limits>
+#include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/aligned_memory.h"
-#include "base/message_loop/message_loop.h"
 #include "base/numerics/safe_conversions.h"
+#include "base/single_thread_task_runner.h"
 #include "base/threading/platform_thread.h"
 #include "base/threading/thread_restrictions.h"
 #include "media/base/audio_bus.h"
@@ -26,7 +27,7 @@ namespace media {
 
 // The actual worker thread implementation.  It's very bare bones and much
 // simpler than SimpleThread (no synchronization in Start, etc) and supports
-// joining the thread handle asynchronously via a provided message loop even
+// joining the thread handle asynchronously via a provided task runner even
 // after the Thread object itself has been deleted.
 class AudioDeviceThread::Thread
     : public PlatformThread::Delegate,
@@ -39,11 +40,11 @@ class AudioDeviceThread::Thread
 
   void Start();
 
-  // Stops the thread.  If |loop_for_join| is non-NULL, the function posts
-  // a task to join (close) the thread handle later instead of waiting for
-  // the thread.  If loop_for_join is NULL, then the function waits
+  // Stops the thread.  If |task_runner_for_join| is non-NULL, the function
+  // posts a task to join (close) the thread handle later instead of waiting for
+  // the thread.  If |task_runner_for_join| is NULL, then the function waits
   // synchronously for the thread to terminate.
-  void Stop(base::MessageLoop* loop_for_join);
+  void Stop(scoped_refptr<base::SingleThreadTaskRunner> task_runner_for_join);

[chcunningham, 2016/06/21 01:34:36]

This file just underwent some significant cleanup that got merged before you.
See
https://chromium.googlesource.com/chromium/src/+/47f99faeb277c3fbd9eb709f803c...

[fdoray, 2016/06/29 15:44:31]

Done.

 
  private:
   friend class base::RefCountedThreadSafe<AudioDeviceThread::Thread>;
@@ -84,10 +85,11 @@ void AudioDeviceThread::Start(AudioDeviceThread::Callback* callback,
   thread_->Start();
 }
 
-void AudioDeviceThread::Stop(base::MessageLoop* loop_for_join) {
+void AudioDeviceThread::Stop(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner_for_join) {
   base::AutoLock auto_lock(thread_lock_);
   if (thread_.get()) {
-    thread_->Stop(loop_for_join);
+    thread_->Stop(std::move(task_runner_for_join));
     thread_ = NULL;
   }
 }
@@ -124,7 +126,8 @@ void AudioDeviceThread::Thread::Start() {
   CHECK(!thread_.is_null());
 }
 
-void AudioDeviceThread::Thread::Stop(base::MessageLoop* loop_for_join) {
+void AudioDeviceThread::Thread::Stop(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner_for_join) {
   socket_.Shutdown();
 
   base::PlatformThreadHandle thread = base::PlatformThreadHandle();
@@ -136,9 +139,9 @@ void AudioDeviceThread::Thread::Stop(base::MessageLoop* loop_for_join) {
   }
 
   if (!thread.is_null()) {
-    if (loop_for_join) {
-      loop_for_join->PostTask(FROM_HERE,
-          base::Bind(&base::PlatformThread::Join, thread));
+    if (task_runner_for_join) {
+      task_runner_for_join->PostTask(
+          FROM_HERE, base::Bind(&base::PlatformThread::Join, thread));
     } else {
       base::PlatformThread::Join(thread);
     }