Move RTCFileLogger to webrtc/base/objc.

webrtc/base/objc/RTCFileLogger.h

 /*
- * libjingle
- * Copyright 2015 Google Inc.
+ *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *  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>
 
-// TODO(tkchin): Move this to a common location.
-#ifndef NS_DESIGNATED_INITIALIZER
-#define NS_DESIGNATED_INITIALIZER
-#endif
+NS_ASSUME_NONNULL_BEGIN
 
 typedef NS_ENUM(NSUInteger, RTCFileLoggerSeverity) {
   kRTCFileLoggerSeverityVerbose,
   kRTCFileLoggerSeverityInfo,
   kRTCFileLoggerSeverityWarning,
   kRTCFileLoggerSeverityError
 };
 
 typedef NS_ENUM(NSUInteger, RTCFileLoggerRotationType) {
   kRTCFileLoggerTypeCall,
@@ skipping 34 matching lines @@
 - (void)start;
 
 // Stops writing WebRTC logs to disk. This method is also called on dealloc.
 - (void)stop;
 
 // Returns the current contents of the logs, or nil if start has been called
 // without a stop.
 - (NSData *)logData;
 
 @end
+
+NS_ASSUME_NONNULL_END