Code cleanup: Make JsepSessionDescription::Initialize take std::unique_ptr

Bug: none
Change-Id: I5e03ff6a6f16bd2e67fa4830e218b510b702d1d4
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/132321
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27577}
diff --git a/pc/jsep_transport_controller_unittest.cc b/pc/jsep_transport_controller_unittest.cc
index b18f85a..e81b667 100644
--- a/pc/jsep_transport_controller_unittest.cc
+++ b/pc/jsep_transport_controller_unittest.cc
@@ -2089,13 +2089,13 @@
                   .ok());
 
   std::unique_ptr<cricket::SessionDescription> remote_answer(
-      local_offer->Copy());
+      local_offer->Clone());
   EXPECT_TRUE(transport_controller_
                   ->SetRemoteDescription(SdpType::kAnswer, remote_answer.get())
                   .ok());
 
   std::unique_ptr<cricket::SessionDescription> local_reoffer(
-      local_offer->Copy());
+      local_offer->Clone());
   local_reoffer->contents()[0].rejected = true;
   AddVideoSection(local_reoffer.get(), kVideoMid1, kIceUfrag1, kIcePwd1,
                   cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
@@ -2110,7 +2110,7 @@
                   .ok());
 
   std::unique_ptr<cricket::SessionDescription> remote_reanswer(
-      local_reoffer->Copy());
+      local_reoffer->Clone());
   EXPECT_TRUE(
       transport_controller_
           ->SetRemoteDescription(SdpType::kAnswer, remote_reanswer.get())