Reverse |rtx_payload_types| map, and rename.

webrtc/video/end_to_end_tests.cc

Index: webrtc/video/end_to_end_tests.cc
diff --git a/webrtc/video/end_to_end_tests.cc b/webrtc/video/end_to_end_tests.cc
index 01d34a76a406c4566e0fcf25b581acdeb4593596..35bb3afeb61ce412b92eee0522b775e09a65394d 100644
--- a/webrtc/video/end_to_end_tests.cc
+++ b/webrtc/video/end_to_end_tests.cc
@@ -841,8 +841,8 @@ class FlexfecRenderObserver : public test::EndToEndTest,
 
       (*receive_configs)[0].rtp.rtx_ssrc = test::CallTest::kSendRtxSsrcs[0];
       (*receive_configs)[0]
-          .rtp.rtx_payload_types[test::CallTest::kVideoSendPayloadType] =
-          test::CallTest::kSendRtxPayloadType;
+          .rtp.media_pt_by_rtx_pt[test::CallTest::kSendRtxPayloadType] =
+          test::CallTest::kVideoSendPayloadType;
     }
   }
 
@@ -1150,8 +1150,8 @@ void EndToEndTest::DecodesRetransmittedFrame(bool enable_rtx, bool enable_red) {
         send_config->rtp.rtx.ssrcs.push_back(kSendRtxSsrcs[0]);
         send_config->rtp.rtx.payload_type = kSendRtxPayloadType;
         (*receive_configs)[0].rtp.rtx_ssrc = kSendRtxSsrcs[0];
-        (*receive_configs)[0].rtp.rtx_payload_types[payload_type_] =
-            kSendRtxPayloadType;
+        (*receive_configs)[0].rtp.media_pt_by_rtx_pt[kSendRtxPayloadType] =
+            payload_type_;
       }
       // Configure encoding and decoding with VP8, since generic packetization
       // doesn't support FEC with NACK.
@@ -2678,8 +2678,8 @@ void EndToEndTest::VerifyHistogramStats(bool use_rtx,
         send_config->rtp.rtx.ssrcs.push_back(kSendRtxSsrcs[0]);
         send_config->rtp.rtx.payload_type = kSendRtxPayloadType;
         (*receive_configs)[0].rtp.rtx_ssrc = kSendRtxSsrcs[0];
-        (*receive_configs)[0].rtp.rtx_payload_types[kFakeVideoSendPayloadType] =
-            kSendRtxPayloadType;
+        (*receive_configs)[0].rtp.media_pt_by_rtx_pt[kSendRtxPayloadType] =
+            kFakeVideoSendPayloadType;
       }
       // RTT needed for RemoteNtpTimeEstimator for the receive stream.
       (*receive_configs)[0].rtp.rtcp_xr.receiver_reference_time_report = true;
@@ -3437,8 +3437,8 @@ TEST_F(EndToEndTest, GetStats) {
         (*receive_configs)[i].rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
 
         (*receive_configs)[i].rtp.rtx_ssrc = kSendRtxSsrcs[i];
-        (*receive_configs)[i].rtp.rtx_payload_types[kFakeVideoSendPayloadType] =
-            kSendRtxPayloadType;
+        (*receive_configs)[i].rtp.media_pt_by_rtx_pt[kSendRtxPayloadType] =
+            kFakeVideoSendPayloadType;
       }
 
       for (size_t i = 0; i < kNumSsrcs; ++i)
@@ -4190,8 +4190,8 @@ TEST_F(EndToEndTest, MAYBE_TestFlexfecRtpStatePreservation) {
   CreateMatchingReceiveConfigs(&receive_transport);
   video_receive_configs_[0].rtp.nack.rtp_history_ms = kNackRtpHistoryMs;
   video_receive_configs_[0].rtp.rtx_ssrc = kSendRtxSsrcs[0];
-  video_receive_configs_[0].rtp.rtx_payload_types[kVideoSendPayloadType] =
-      kSendRtxPayloadType;
+  video_receive_configs_[0].rtp.media_pt_by_rtx_pt[kSendRtxPayloadType] =
+      kVideoSendPayloadType;
 
   // The matching FlexFEC receive config is not created by
   // CreateMatchingReceiveConfigs since this is not a test::BaseTest.
@@ -4653,7 +4653,7 @@ TEST_F(EndToEndTest, VerifyDefaultVideoReceiveConfigParameters) {
       << "RTCP XR settings require rtcp-xr to be negotiated.";
   EXPECT_EQ(0U, default_receive_config.rtp.rtx_ssrc)
       << "Enabling RTX requires ssrc-group: FID negotiation";
-  EXPECT_TRUE(default_receive_config.rtp.rtx_payload_types.empty())
+  EXPECT_TRUE(default_receive_config.rtp.media_pt_by_rtx_pt.empty())
       << "Enabling RTX requires rtpmap: rtx negotiation.";
   EXPECT_TRUE(default_receive_config.rtp.extensions.empty())
       << "Enabling RTP extensions require negotiation.";