Support for onbufferedamountlow

talk/app/webrtc/objc/public/RTCDataChannel.h

Index: talk/app/webrtc/objc/public/RTCDataChannel.h
diff --git a/talk/app/webrtc/objc/public/RTCDataChannel.h b/talk/app/webrtc/objc/public/RTCDataChannel.h
index 7c225802455a2b841618063cfbf8086ab5f1eab5..0b0ea4049705f92010d783bc4704b5c22d00d0f7 100644
--- a/talk/app/webrtc/objc/public/RTCDataChannel.h
+++ b/talk/app/webrtc/objc/public/RTCDataChannel.h
@@ -78,6 +78,10 @@ typedef enum {
 // Called when the data channel state has changed.
 - (void)channelDidChangeState:(RTCDataChannel*)channel;
 
+// Called when the data channel state has changed.
+- (void)channelDidChangeBufferedAmount:(RTCDataChannel*)channel

[tkchin_webrtc, 2015/06/29 22:18:30]

Update comment?
Style:
- (void)channel:(RTCDataChannel*)channel
didChangeBufferedAmount:(NSUInteger)amount;

[bemasc2, 2015/06/29 22:53:17]

Done.
clang-format had other ideas :)

+                        previousAmount:(NSUInteger)amount;
+
 // Called when a data buffer was successfully received.
 - (void)channel:(RTCDataChannel*)channel
     didReceiveMessageWithBuffer:(RTCDataBuffer*)buffer;