Minor ObjC header updates.

webrtc/api/objctests/RTCDataChannelConfigurationTest.mm

 /*
  *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #import <Foundation/Foundation.h>
 
 #include "webrtc/base/gunit.h"
 
 #import "webrtc/api/objc/RTCDataChannelConfiguration.h"
 #import "webrtc/api/objc/RTCDataChannelConfiguration+Private.h"
 #import "webrtc/base/objc/NSString+StdString.h"
 
 @interface RTCDataChannelConfigurationTest : NSObject
 - (void)testConversionToNativeDataChannelInit;
 @end
 
 @implementation RTCDataChannelConfigurationTest
 
 - (void)testConversionToNativeDataChannelInit {
   BOOL isOrdered = NO;
   int maxPacketLifeTime = 5;
   int maxRetransmits = 4;
   BOOL isNegotiated = YES;
-  int streamId = 4;
+  int channelId = 4;
   NSString *protocol = @"protocol";
 
   RTCDataChannelConfiguration *dataChannelConfig =
       [[RTCDataChannelConfiguration alloc] init];
   dataChannelConfig.isOrdered = isOrdered;
   dataChannelConfig.maxPacketLifeTime = maxPacketLifeTime;
   dataChannelConfig.maxRetransmits = maxRetransmits;
   dataChannelConfig.isNegotiated = isNegotiated;
-  dataChannelConfig.streamId = streamId;
+  dataChannelConfig.channelId = channelId;
   dataChannelConfig.protocol = protocol;
 
   webrtc::DataChannelInit nativeInit = dataChannelConfig.nativeDataChannelInit;
   EXPECT_EQ(isOrdered, nativeInit.ordered);
   EXPECT_EQ(maxPacketLifeTime, nativeInit.maxRetransmitTime);
   EXPECT_EQ(maxRetransmits, nativeInit.maxRetransmits);
   EXPECT_EQ(isNegotiated, nativeInit.negotiated);
-  EXPECT_EQ(streamId, nativeInit.id);
+  EXPECT_EQ(channelId, nativeInit.id);
   EXPECT_EQ(protocol.stdString, nativeInit.protocol);
 }
 
 @end
 
 TEST(RTCDataChannelConfiguration, NativeDataChannelInitConversionTest) {
   @autoreleasepool {
     RTCDataChannelConfigurationTest *test =
         [[RTCDataChannelConfigurationTest alloc] init];
     [test testConversionToNativeDataChannelInit];
   }
 }