Use ContainsValue() instead of std::find() in chromecast/

chromecast/media/cma/backend/alsa/stream_mixer_alsa.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 "chromecast/media/cma/backend/alsa/stream_mixer_alsa.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 #include <unordered_set>
 #include <utility>
 
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/numerics/saturated_arithmetic.h"
 #include "base/single_thread_task_runner.h"
+#include "base/stl_util.h"
 #include "base/threading/platform_thread.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "chromecast/base/chromecast_switches.h"
 #include "chromecast/media/base/audio_device_ids.h"
 #include "chromecast/media/cma/backend/alsa/alsa_wrapper.h"
 #include "chromecast/media/cma/backend/alsa/filter_group.h"
 #include "chromecast/media/cma/backend/alsa/post_processing_pipeline_parser.h"
 #include "chromecast/media/cma/backend/alsa/stream_mixer_alsa_input_impl.h"
 #include "media/audio/audio_device_description.h"
@@ skipping 984 matching lines @@
   snd_pcm_sframes_t delay_frames = alsa_->PcmStatusGetDelay(pcm_status_);
   alsa_rendering_delay_.delay_microseconds =
       static_cast<int64_t>(delay_frames) * base::Time::kMicrosecondsPerSecond /
       output_samples_per_second_;
 }
 
 void StreamMixerAlsa::AddLoopbackAudioObserver(
     CastMediaShlib::LoopbackAudioObserver* observer) {
   RUN_ON_MIXER_THREAD(&StreamMixerAlsa::AddLoopbackAudioObserver, observer);
   DCHECK(observer);
-  DCHECK(std::find(loopback_observers_.begin(), loopback_observers_.end(),
-                   observer) == loopback_observers_.end());
+  DCHECK(!base::ContainsValue(loopback_observers_, observer));
   loopback_observers_.push_back(observer);
 }
 
 void StreamMixerAlsa::RemoveLoopbackAudioObserver(
     CastMediaShlib::LoopbackAudioObserver* observer) {
   RUN_ON_MIXER_THREAD(&StreamMixerAlsa::RemoveLoopbackAudioObserver, observer);
-  DCHECK(std::find(loopback_observers_.begin(), loopback_observers_.end(),
-                   observer) != loopback_observers_.end());
+  DCHECK(base::ContainsValue(loopback_observers_, observer));
   loopback_observers_.erase(std::remove(loopback_observers_.begin(),
                                         loopback_observers_.end(), observer),
                             loopback_observers_.end());
   observer->OnRemoved();
 }
 
 void StreamMixerAlsa::SetVolume(AudioContentType type, float level) {
   RUN_ON_MIXER_THREAD(&StreamMixerAlsa::SetVolume, type, level);
   volume_info_[type].volume = level;
   float effective_volume = volume_info_[type].GetEffectiveVolume();
@@ skipping 36 matching lines @@
   for (auto&& input : inputs_) {
     // Volume limits don't apply to effects streams.
     if (input->primary() && input->content_type() == type) {
       input->SetContentTypeVolume(effective_volume, fade_ms);
     }
   }
 }
 
 }  // namespace media
 }  // namespace chromecast