base: Support setting thread priorities generically.

media/audio/audio_device_thread.cc

 // Copyright (c) 2012 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/audio/audio_device_thread.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 83 matching lines @@
 AudioDeviceThread::Thread::Thread(AudioDeviceThread::Callback* callback,
                                   base::SyncSocket::Handle socket,
                                   const char* thread_name)
     : thread_(base::kNullThreadHandle),
       callback_(callback),
       socket_(socket),
       thread_name_(thread_name) {
 }
 
 AudioDeviceThread::Thread::~Thread() {
-  DCHECK_EQ(thread_, base::kNullThreadHandle) << "Stop wasn't called";
+  DCHECK(thread_ == base::kNullThreadHandle);
 }
 
 void AudioDeviceThread::Thread::Start() {
   base::AutoLock auto_lock(callback_lock_);
-  DCHECK_EQ(thread_, base::kNullThreadHandle);
+  DCHECK(thread_ == base::kNullThreadHandle);
   // This reference will be released when the thread exists.
   AddRef();
 
   PlatformThread::CreateWithPriority(0, this, &thread_,
                                      base::kThreadPriority_RealtimeAudio);
   CHECK(thread_ != base::kNullThreadHandle);
 }
 
 void AudioDeviceThread::Thread::Stop(base::MessageLoop* loop_for_join) {
   socket_.Shutdown();
@@ skipping 76 matching lines @@
 }
 
 AudioDeviceThread::Callback::~Callback() {}
 
 void AudioDeviceThread::Callback::InitializeOnAudioThread() {
   MapSharedMemory();
   CHECK(shared_memory_.memory());
 }
 
 }  // namespace media.