commit 64b626b03f578c936da1e48ccc172ee3b6487fba
author Steve Anton <steveanton@webrtc.org> Tue Jan 29 01:25:26 2019
committer Commit Bot <commit-bot@chromium.org> Tue Jan 29 02:33:50 2019
tree 7b58bf2e802c54bca8e896b8167ecfc8875747b0
parent b7446ed257b199ddc5fe20d96ba2edb6259ba22d

Use Abseil container algorithms in pc/

Bug: None
Change-Id: If784461b54d95bdc6f8a7d4e5d1bbfa52d1a390e
Reviewed-on: https://webrtc-review.googlesource.com/c/119862
Commit-Queue: Steve Anton <steveanton@webrtc.org>
Reviewed-by: Amit Hilbuch <amithi@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26433}

pc/media_stream_observer.cc

diff --git a/pc/media_stream_observer.cc b/pc/media_stream_observer.cc
index e3ef3c7..e66634a 100644
--- a/pc/media_stream_observer.cc
+++ b/pc/media_stream_observer.cc
@@ -10,10 +10,11 @@
 
 #include "pc/media_stream_observer.h"
 
-#include <algorithm>
 #include <string>
 #include <vector>
 
+#include "absl/algorithm/container.h"
+
 namespace webrtc {
 
 MediaStreamObserver::MediaStreamObserver(MediaStreamInterface* stream)
@@ -33,48 +34,44 @@
 
   // Find removed audio tracks.
   for (const auto& cached_track : cached_audio_tracks_) {
-    auto it = std::find_if(
-        new_audio_tracks.begin(), new_audio_tracks.end(),
-        [cached_track](const AudioTrackVector::value_type& new_track) {
-          return new_track->id().compare(cached_track->id()) == 0;
-        });
-    if (it == new_audio_tracks.end()) {
+    if (absl::c_none_of(
+            new_audio_tracks,
+            [cached_track](const AudioTrackVector::value_type& new_track) {
+              return new_track->id() == cached_track->id();
+            })) {
       SignalAudioTrackRemoved(cached_track.get(), stream_);
     }
   }
 
   // Find added audio tracks.
   for (const auto& new_track : new_audio_tracks) {
-    auto it = std::find_if(
-        cached_audio_tracks_.begin(), cached_audio_tracks_.end(),
-        [new_track](const AudioTrackVector::value_type& cached_track) {
-          return new_track->id().compare(cached_track->id()) == 0;
-        });
-    if (it == cached_audio_tracks_.end()) {
+    if (absl::c_none_of(
+            cached_audio_tracks_,
+            [new_track](const AudioTrackVector::value_type& cached_track) {
+              return new_track->id() == cached_track->id();
+            })) {
       SignalAudioTrackAdded(new_track.get(), stream_);
     }
   }
 
   // Find removed video tracks.
   for (const auto& cached_track : cached_video_tracks_) {
-    auto it = std::find_if(
-        new_video_tracks.begin(), new_video_tracks.end(),
-        [cached_track](const VideoTrackVector::value_type& new_track) {
-          return new_track->id().compare(cached_track->id()) == 0;
-        });
-    if (it == new_video_tracks.end()) {
+    if (absl::c_none_of(
+            new_video_tracks,
+            [cached_track](const VideoTrackVector::value_type& new_track) {
+              return new_track->id() == cached_track->id();
+            })) {
       SignalVideoTrackRemoved(cached_track.get(), stream_);
     }
   }
 
   // Find added video tracks.
   for (const auto& new_track : new_video_tracks) {
-    auto it = std::find_if(
-        cached_video_tracks_.begin(), cached_video_tracks_.end(),
-        [new_track](const VideoTrackVector::value_type& cached_track) {
-          return new_track->id().compare(cached_track->id()) == 0;
-        });
-    if (it == cached_video_tracks_.end()) {
+    if (absl::c_none_of(
+            cached_video_tracks_,
+            [new_track](const VideoTrackVector::value_type& cached_track) {
+              return new_track->id() == cached_track->id();
+            })) {
       SignalVideoTrackAdded(new_track.get(), stream_);
     }
   }