Rename "OnReceivedFrame" to "OnAssembledFrame"

The new name fits better.

Bug: None
Change-Id: I1f201ff07915ed6c18efeefb7380e2b286742bb9
Reviewed-on: https://webrtc-review.googlesource.com/c/123800
Commit-Queue: Elad Alon <eladalon@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26814}
diff --git a/modules/video_coding/video_packet_buffer_unittest.cc b/modules/video_coding/video_packet_buffer_unittest.cc
index 72bb990..c51c3b4 100644
--- a/modules/video_coding/video_packet_buffer_unittest.cc
+++ b/modules/video_coding/video_packet_buffer_unittest.cc
@@ -25,7 +25,7 @@
 namespace video_coding {
 
 class TestPacketBuffer : public ::testing::Test,
-                         public OnReceivedFrameCallback {
+                         public OnAssembledFrameCallback {
  protected:
   TestPacketBuffer() : TestPacketBuffer("") {}
   explicit TestPacketBuffer(std::string field_trials)
@@ -37,7 +37,7 @@
 
   uint16_t Rand() { return rand_.Rand<uint16_t>(); }
 
-  void OnReceivedFrame(std::unique_ptr<RtpFrameObject> frame) override {
+  void OnAssembledFrame(std::unique_ptr<RtpFrameObject> frame) override {
     uint16_t first_seq_num = frame->first_seq_num();
     if (frames_from_callback_.find(first_seq_num) !=
         frames_from_callback_.end()) {