Return a copy of the supported RTP header extensions instead of a reference.

talk/media/webrtc/webrtcvideoengine2_unittest.cc

 /*
  * libjingle
  * Copyright 2004 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 224 matching lines @@
     int associated_payload_type;
     EXPECT_TRUE(engine_codecs[i].GetParam(kCodecParamAssociatedPayloadType,
                                           &associated_payload_type));
     EXPECT_EQ(default_codec_.id, associated_payload_type);
     return;
   }
   FAIL() << "No RTX codec found among default codecs.";
 }
 
 TEST_F(WebRtcVideoEngine2Test, SupportsTimestampOffsetHeaderExtension) {
-  std::vector<RtpHeaderExtension> extensions = engine_.rtp_header_extensions();
+  std::vector<RtpHeaderExtension> extensions =
+      engine_.SupportedRtpHeaderExtensions();
   ASSERT_FALSE(extensions.empty());
   for (size_t i = 0; i < extensions.size(); ++i) {
     if (extensions[i].uri == kRtpTimestampOffsetHeaderExtension) {
       EXPECT_EQ(kRtpTimestampOffsetHeaderExtensionDefaultId, extensions[i].id);
       return;
     }
   }
   FAIL() << "Timestamp offset extension not in header-extension list.";
 }
 
 TEST_F(WebRtcVideoEngine2Test, SupportsAbsoluteSenderTimeHeaderExtension) {
-  std::vector<RtpHeaderExtension> extensions = engine_.rtp_header_extensions();
+  std::vector<RtpHeaderExtension> extensions =
+      engine_.SupportedRtpHeaderExtensions();
   ASSERT_FALSE(extensions.empty());
   for (size_t i = 0; i < extensions.size(); ++i) {
     if (extensions[i].uri == kRtpAbsoluteSenderTimeHeaderExtension) {
       EXPECT_EQ(kRtpAbsoluteSenderTimeHeaderExtensionDefaultId,
                 extensions[i].id);
       return;
     }
   }
   FAIL() << "Absolute Sender Time extension not in header-extension list.";
 }
 
 class WebRtcVideoEngine2WithSendSideBweTest : public WebRtcVideoEngine2Test {
  public:
   WebRtcVideoEngine2WithSendSideBweTest()
       : WebRtcVideoEngine2Test("WebRTC-SendSideBwe/Enabled/") {}
 };
 
 TEST_F(WebRtcVideoEngine2WithSendSideBweTest,
        SupportsTransportSequenceNumberHeaderExtension) {
-  std::vector<RtpHeaderExtension> extensions = engine_.rtp_header_extensions();
+  std::vector<RtpHeaderExtension> extensions =
+      engine_.SupportedRtpHeaderExtensions();
   ASSERT_FALSE(extensions.empty());
   for (size_t i = 0; i < extensions.size(); ++i) {
     if (extensions[i].uri == kRtpTransportSequenceNumberHeaderExtension) {
       EXPECT_EQ(kRtpTransportSequenceNumberHeaderExtensionDefaultId,
                 extensions[i].id);
       return;
     }
   }
   FAIL() << "Transport sequence number extension not in header-extension list.";
 }
 
 TEST_F(WebRtcVideoEngine2Test, SupportsVideoRotationHeaderExtension) {
-  std::vector<RtpHeaderExtension> extensions = engine_.rtp_header_extensions();
+  std::vector<RtpHeaderExtension> extensions =
+      engine_.SupportedRtpHeaderExtensions();
   ASSERT_FALSE(extensions.empty());
   for (size_t i = 0; i < extensions.size(); ++i) {
     if (extensions[i].uri == kRtpVideoRotationHeaderExtension) {
       EXPECT_EQ(kRtpVideoRotationHeaderExtensionDefaultId, extensions[i].id);
       return;
     }
   }
   FAIL() << "Video Rotation extension not in header-extension list.";
 }
 
@@ skipping 3001 matching lines @@
 // Ensures that the correct settings are applied to the codec when two temporal
 // layer screencasting is enabled, and that the correct simulcast settings are
 // reapplied when disabling screencasting.
 TEST_F(WebRtcVideoChannel2SimulcastTest,
        DISABLED_TwoTemporalLayerScreencastSettings) {
   // TODO(pbos): Implement.
   FAIL() << "Not implemented.";
 }
 
 }  // namespace cricket