2 files changed, 19 insertions, 0 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/public/dcsctp_socket.h b/third_party/libwebrtc/net/dcsctp/public/dcsctp_socket.h
index d0a81eaeb2..9989ae8d43 100644
--- a/third_party/libwebrtc/net/dcsctp/public/dcsctp_socket.h
+++ b/third_party/libwebrtc/net/dcsctp/public/dcsctp_socket.h
@@ -13,6 +13,7 @@
 #include <cstdint>
 #include <memory>
 #include <utility>
+#include <vector>
 
 #include "absl/strings/string_view.h"
 #include "absl/types/optional.h"
@@ -577,6 +578,16 @@ class DcSctpSocketInterface {
   virtual SendStatus Send(DcSctpMessage message,
                           const SendOptions& send_options) = 0;
 
+  // Sends the messages `messages` using the provided send options.
+  // Sending a message is an asynchronous operation, and the `OnError` callback
+  // may be invoked to indicate any errors in sending the message.
+  //
+  // This has identical semantics to Send, except that it may coalesce many
+  // messages into a single SCTP packet if they would fit.
+  virtual std::vector<SendStatus> SendMany(
+      rtc::ArrayView<DcSctpMessage> messages,
+      const SendOptions& send_options) = 0;
+
   // Resetting streams is an asynchronous operation and the results will
   // be notified using `DcSctpSocketCallbacks::OnStreamsResetDone()` on success
   // and `DcSctpSocketCallbacks::OnStreamsResetFailed()` on failure. Note that
diff --git a/third_party/libwebrtc/net/dcsctp/public/mock_dcsctp_socket.h b/third_party/libwebrtc/net/dcsctp/public/mock_dcsctp_socket.h
index 0fd572bd94..c71c3ae16f 100644
--- a/third_party/libwebrtc/net/dcsctp/public/mock_dcsctp_socket.h
+++ b/third_party/libwebrtc/net/dcsctp/public/mock_dcsctp_socket.h
@@ -10,6 +10,8 @@
 #ifndef NET_DCSCTP_PUBLIC_MOCK_DCSCTP_SOCKET_H_
 #define NET_DCSCTP_PUBLIC_MOCK_DCSCTP_SOCKET_H_
 
+#include <vector>
+
 #include "net/dcsctp/public/dcsctp_socket.h"
 #include "test/gmock.h"
 
@@ -56,6 +58,12 @@ class MockDcSctpSocket : public DcSctpSocketInterface {
               (DcSctpMessage message, const SendOptions& send_options),
               (override));
 
+  MOCK_METHOD(std::vector<SendStatus>,
+              SendMany,
+              (rtc::ArrayView<DcSctpMessage> messages,
+               const SendOptions& send_options),
+              (override));
+
   MOCK_METHOD(ResetStreamsStatus,
               ResetStreams,
               (rtc::ArrayView<const StreamID> outgoing_streams),