Make a friendlier RTCVideoCodecInfo initializer.

webrtc/sdk/objc/Framework/Headers/WebRTC/RTCVideoCodec.h

Index: webrtc/sdk/objc/Framework/Headers/WebRTC/RTCVideoCodec.h
diff --git a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCVideoCodec.h b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCVideoCodec.h
index 7f678b97594f5385c3dd65f99ec5e72ee70eb60c..d7c7a5fe38aa22efadc92d81093fa4f5f3308ded 100644
--- a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCVideoCodec.h
+++ b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCVideoCodec.h
@@ -100,9 +100,15 @@ typedef NS_ENUM(NSUInteger, RTCVideoCodecMode) {
 RTC_EXPORT
 @interface RTCVideoCodecInfo : NSObject
 
+- (instancetype)init NS_UNAVAILABLE;
+
 - (instancetype)initWithPayload:(NSInteger)payload
                            name:(NSString *)name
-                     parameters:(NSDictionary<NSString *, NSString *> *)parameters;
+                     parameters:(NSDictionary<NSString *, NSString *> *)parameters

[kthelgason, 2017/08/18 12:25:44]

Are we ever expecting this to be called for any reason?

[andersc, 2017/08/18 13:30:37]

You're right, this is only used internally. Moving it to the private header
instead.

+    NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)initWithName:(NSString *)name
+                  parameters:(nullable NSDictionary<NSString *, NSString *> *)parameters;
 
 @property(nonatomic, readonly) NSInteger payload;
 @property(nonatomic, readonly) NSString *name;