commit 739baf097b1384d7a97d769e29a30b5c49581281
author Mirko Bonadei <mbonadei@webrtc.org> Sun Jan 27 17:29:42 2019 +0100
committer Commit Bot <commit-bot@chromium.org> Mon Jan 28 09:53:50 2019 +0000
tree 6e5cca6fd06f28d5a7683bfc3cf22d1793e38c48
parent 2d65fff16f83ceab129a7041ca77e38f4bba19b8

[clang-tidy] Apply performance-for-range-copy fixes.

This CL applies clang-tidy's performance-for-range-copy [1] on the
WebRTC codebase.

All changes in this CL are automatically generated by both clang-tidy
and 'git cl format'.

[1] - https://clang.llvm.org/extra/clang-tidy/checks/performance-for-range-copy.html

Bug: webrtc:10215
Change-Id: I7c83290b8866d76129bbec4e24e6701f5014102e
Reviewed-on: https://webrtc-review.googlesource.com/c/120043
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26420}

pc/sdp_serializer.cc

diff --git a/pc/sdp_serializer.cc b/pc/sdp_serializer.cc
index cdaddd7..8b0d696 100644
--- a/pc/sdp_serializer.cc
+++ b/pc/sdp_serializer.cc
@@ -81,7 +81,7 @@
 rtc::StringBuilder& operator<<(rtc::StringBuilder& builder,
                                const SimulcastLayerList& simulcast_layers) {
   bool first = true;
-  for (auto alternatives : simulcast_layers) {
+  for (const auto& alternatives : simulcast_layers) {
     if (!first) {
       builder << kDelimiterSemicolon;
     }