1 files changed, 92 insertions, 0 deletions
diff --git a/third_party/libwebrtc/pc/test/integration_test_helpers.cc b/third_party/libwebrtc/pc/test/integration_test_helpers.cc
new file mode 100644
index 0000000000..471271f068
--- /dev/null
+++ b/third_party/libwebrtc/pc/test/integration_test_helpers.cc
@@ -0,0 +1,92 @@
+/*
+ *  Copyright 2012 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "pc/test/integration_test_helpers.h"
+
+namespace webrtc {
+
+PeerConnectionInterface::RTCOfferAnswerOptions IceRestartOfferAnswerOptions() {
+  PeerConnectionInterface::RTCOfferAnswerOptions options;
+  options.ice_restart = true;
+  return options;
+}
+
+void RemoveSsrcsAndMsids(cricket::SessionDescription* desc) {
+  for (ContentInfo& content : desc->contents()) {
+    content.media_description()->mutable_streams().clear();
+  }
+  desc->set_msid_supported(false);
+  desc->set_msid_signaling(0);
+}
+
+void RemoveSsrcsAndKeepMsids(cricket::SessionDescription* desc) {
+  for (ContentInfo& content : desc->contents()) {
+    std::string track_id;
+    std::vector<std::string> stream_ids;
+    if (!content.media_description()->streams().empty()) {
+      const StreamParams& first_stream =
+          content.media_description()->streams()[0];
+      track_id = first_stream.id;
+      stream_ids = first_stream.stream_ids();
+    }
+    content.media_description()->mutable_streams().clear();
+    StreamParams new_stream;
+    new_stream.id = track_id;
+    new_stream.set_stream_ids(stream_ids);
+    content.media_description()->AddStream(new_stream);
+  }
+}
+
+int FindFirstMediaStatsIndexByKind(
+    const std::string& kind,
+    const std::vector<const webrtc::RTCInboundRTPStreamStats*>& inbound_rtps) {
+  for (size_t i = 0; i < inbound_rtps.size(); i++) {
+    if (*inbound_rtps[i]->kind == kind) {
+      return i;
+    }
+  }
+  return -1;
+}
+
+TaskQueueMetronome::TaskQueueMetronome(TimeDelta tick_period)
+    : tick_period_(tick_period) {
+  sequence_checker_.Detach();
+}
+
+TaskQueueMetronome::~TaskQueueMetronome() {
+  RTC_DCHECK_RUN_ON(&sequence_checker_);
+}
+void TaskQueueMetronome::RequestCallOnNextTick(
+    absl::AnyInvocable<void() &&> callback) {
+  RTC_DCHECK_RUN_ON(&sequence_checker_);
+  callbacks_.push_back(std::move(callback));
+  // Only schedule a tick callback for the first `callback` addition.
+  // Schedule on the current task queue to comply with RequestCallOnNextTick
+  // requirements.
+  if (callbacks_.size() == 1) {
+    TaskQueueBase::Current()->PostDelayedTask(
+        SafeTask(safety_.flag(),
+                 [this] {
+                   RTC_DCHECK_RUN_ON(&sequence_checker_);
+                   std::vector<absl::AnyInvocable<void() &&>> callbacks;
+                   callbacks_.swap(callbacks);
+                   for (auto& callback : callbacks)
+                     std::move(callback)();
+                 }),
+        tick_period_);
+  }
+}
+
+TimeDelta TaskQueueMetronome::TickPeriod() const {
+  RTC_DCHECK_RUN_ON(&sequence_checker_);
+  return tick_period_;
+}
+
+}  // namespace webrtc