Split avfoundationcapturer classes in separate files.

webrtc/sdk/BUILD.gn

Index: webrtc/sdk/BUILD.gn
diff --git a/webrtc/sdk/BUILD.gn b/webrtc/sdk/BUILD.gn
index 53602a47fb372a0182aff12226f13988f1df4a50..fa48816d0a687ea194d61fc46c1ce868465671de 100644
--- a/webrtc/sdk/BUILD.gn
+++ b/webrtc/sdk/BUILD.gn
@@ -89,6 +89,8 @@ if (is_ios || is_mac) {
 
   rtc_static_library("rtc_sdk_peerconnection_objc") {
     sources = [
+      "objc/Framework/Classes/RTCAVFoundationVideoCapturerInternal.h",
+      "objc/Framework/Classes/RTCAVFoundationVideoCapturerInternal.mm",
       "objc/Framework/Classes/RTCAVFoundationVideoSource+Private.h",
       "objc/Framework/Classes/RTCAVFoundationVideoSource.mm",
       "objc/Framework/Classes/RTCAudioSource+Private.h",
@@ -140,6 +142,8 @@ if (is_ios || is_mac) {
       "objc/Framework/Classes/RTCShader+Private.h",
       "objc/Framework/Classes/RTCShader.h",
       "objc/Framework/Classes/RTCShader.mm",
+      "objc/Framework/Classes/RTCVideoFormatMapper.h",
+      "objc/Framework/Classes/RTCVideoFormatMapper.mm",
       "objc/Framework/Classes/RTCVideoFrame+Private.h",
       "objc/Framework/Classes/RTCVideoFrame.mm",
       "objc/Framework/Classes/RTCVideoRendererAdapter+Private.h",