Bug 1843217 - remove deprecated use of webrtc::WebRtcKeyValueConfig i…

…n favor of webrtc::FieldTrialsView. r=dbaker

WebRtcKeyValueConfig was just a typdef for FieldTrialsView, so they are
functionally equivalent.

Differential Revision: https://phabricator.services.mozilla.com/D183458

dom/media/webrtc/jsapi/PeerConnectionCtx.cpp

@@ -165,7 +165,7 @@ SharedWebrtcState::SharedWebrtcState(
     RefPtr<AbstractThread> aCallWorkerThread,
     webrtc::AudioState::Config&& aAudioStateConfig,
     RefPtr<webrtc::AudioDecoderFactory> aAudioDecoderFactory,
-    UniquePtr<webrtc::WebRtcKeyValueConfig> aTrials)
+    UniquePtr<webrtc::FieldTrialsView> aTrials)
     : mCallWorkerThread(std::move(aCallWorkerThread)),
       mAudioStateConfig(std::move(aAudioStateConfig)),
       mAudioDecoderFactory(std::move(aAudioDecoderFactory)),
@@ -486,7 +486,7 @@ void PeerConnectionCtx::AddPeerConnection(const std::string& aKey,
                            MediaThreadType::WEBRTC_CALL_THREAD)
                        .release());
 
-    UniquePtr<webrtc::WebRtcKeyValueConfig> trials =
+    UniquePtr<webrtc::FieldTrialsView> trials =
         WrapUnique(new NoTrialsConfig());
 
     mSharedWebrtcState = MakeAndAddRef<SharedWebrtcState>(

media/webrtc/signaling/gtest/MockCall.h

@@ -306,7 +306,7 @@ class MockCall : public webrtc::Call {
         width, height, *mVideoSendEncoderConfig);
   }
 
-  virtual const webrtc::WebRtcKeyValueConfig& trials() const override {
+  virtual const webrtc::FieldTrialsView& trials() const override {
     return mUnusedConfig;
   }