Minor ObjC header updates.

webrtc/base/objc/RTCLogging.h

 /*
  *  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>
 
 // Subset of rtc::LoggingSeverity.
 typedef NS_ENUM(NSInteger, RTCLoggingSeverity) {
-  kRTCLoggingSeverityVerbose,
-  kRTCLoggingSeverityInfo,
-  kRTCLoggingSeverityWarning,
-  kRTCLoggingSeverityError,
+  RTCLoggingSeverityVerbose,
+  RTCLoggingSeverityInfo,
+  RTCLoggingSeverityWarning,
+  RTCLoggingSeverityError,
 };
 
 #if defined(__cplusplus)
 extern "C" void RTCLogEx(RTCLoggingSeverity severity, NSString* log_string);
 extern "C" void RTCSetMinDebugLogLevel(RTCLoggingSeverity severity);
 extern "C" NSString* RTCFileName(const char* filePath);
 #else
 
 // Wrapper for C++ LOG(sev) macros.
 // Logs the log string to the webrtc logstream for the given severity.
@@ skipping 17 matching lines @@
       __FUNCTION__,                                  \
       ##__VA_ARGS__]
 
 #define RTCLogFormat(severity, format, ...)                     \
   do {                                                          \
     NSString* log_string = RTCLogString(format, ##__VA_ARGS__); \
     RTCLogEx(severity, log_string);                             \
   } while (false)
 
 #define RTCLogVerbose(format, ...)                                \
-  RTCLogFormat(kRTCLoggingSeverityVerbose, format, ##__VA_ARGS__) \
+  RTCLogFormat(RTCLoggingSeverityVerbose, format, ##__VA_ARGS__) \
 
 #define RTCLogInfo(format, ...)                                   \
-  RTCLogFormat(kRTCLoggingSeverityInfo, format, ##__VA_ARGS__)    \
+  RTCLogFormat(RTCLoggingSeverityInfo, format, ##__VA_ARGS__)    \
 
 #define RTCLogWarning(format, ...)                                \
-  RTCLogFormat(kRTCLoggingSeverityWarning, format, ##__VA_ARGS__) \
+  RTCLogFormat(RTCLoggingSeverityWarning, format, ##__VA_ARGS__) \
 
 #define RTCLogError(format, ...)                                  \
-  RTCLogFormat(kRTCLoggingSeverityError, format, ##__VA_ARGS__)   \
+  RTCLogFormat(RTCLoggingSeverityError, format, ##__VA_ARGS__)   \
 
 #if !defined(NDEBUG)
 #define RTCLogDebug(format, ...) RTCLogInfo(format, ##__VA_ARGS__)
 #else
 #define RTCLogDebug(format, ...) \
   do {                           \
   } while (false)
 #endif
 
 #define RTCLog(format, ...) RTCLogInfo(format, ##__VA_ARGS__)