Improve the style of the objc wrapper for PeerConnectionInterface::SetBitrate.

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

Index: webrtc/sdk/objc/Framework/Headers/WebRTC/RTCPeerConnection.h
diff --git a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCPeerConnection.h b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCPeerConnection.h
index ce2df4d7f5ee568aae626aed1b50a353fa3165e2..7b0c4492f4792be56f6fa315d197b91f232cef6c 100644
--- a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCPeerConnection.h
+++ b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCPeerConnection.h
@@ -184,12 +184,14 @@ RTC_EXPORT
            completionHandler:
     (nullable void (^)(NSError * _Nullable error))completionHandler;
 
-/** Updates bandwidth estimation parameters. Null parameters will be unchanged.
- *  Returns true iff the parameters were successfully updated.
+/** Limits the bandwidth allocated for all RTP streams sent by this
+ *  PeerConnection. Nil parameters will be unchanged. Setting
+ * |currentBitrateBps| will force the available bitrate estimate to the given
+ *  value. Returns YES if the parameters were successfully updated.
  */
-- (BOOL)setBitrateToMin:(NSNumber *_Nullable)minBitrateBps
-              toCurrent:(NSNumber *_Nullable)currentBitrateBps
-                  toMax:(NSNumber *_Nullable)maxBitrateBps;
+- (BOOL)setBweMinBitrateBps:(nullable NSNumber *)minBitrateBps
+          currentBitrateBps:(nullable NSNumber *)currentBitrateBps
+              maxBitrateBps:(nullable NSNumber *)maxBitrateBps;
 
 /** Start or stop recording an Rtc EventLog. */
 - (BOOL)startRtcEventLogWithFilePath:(NSString *)filePath
@@ -200,9 +202,8 @@ RTC_EXPORT
 
 @interface RTCPeerConnection (Media)
 
-/**
- * Create an RTCRtpSender with the specified kind and media stream ID.
- * See RTCMediaStreamTrack.h for available kinds.
+/** Create an RTCRtpSender with the specified kind and media stream ID.
+ *  See RTCMediaStreamTrack.h for available kinds.
  */
 - (RTCRtpSender *)senderWithKind:(NSString *)kind streamId:(NSString *)streamId;