iOS: Move AppRTC logging methods to public headers.

talk/examples/objc/AppRTCDemo/common/ARDLogging.mm

-/*
- * libjingle
- * Copyright 2015 Google Inc.
- *
- * 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.
- */
-
-#import "ARDLogging.h"
-
-#include "webrtc/base/logging.h"
-
-void ARDLogInit() {
-#ifndef _DEBUG
-  // In debug builds the default level is LS_INFO and in non-debug builds it is
-  // disabled. Continue to log to console in non-debug builds, but only
-  // warnings and errors.
-  rtc::LogMessage::LogToDebug(rtc::LS_WARNING);
-#endif
-}
-
-void ARDLogToWebRTCLogger(ARDLogSeverity severity, NSString *logString) {
-  if (logString.length) {
-    const char* utf8String = logString.UTF8String;
-    switch (severity) {
-      case kARDLogSeverityVerbose:
-        LOG(LS_VERBOSE) << utf8String;
-        break;
-      case kARDLogSeverityInfo:
-        LOG(LS_INFO) << utf8String;
-        break;
-      case kARDLogSeverityWarning:
-        LOG(LS_WARNING) << utf8String;
-        break;
-      case kARDLogSeverityError:
-        LOG(LS_ERROR) << utf8String;
-        break;
-    }
-  }
-}
-
-NSString *ARDFileName(const char *filePath) {
-  NSString *nsFilePath =
-      [[NSString alloc] initWithBytesNoCopy:const_cast<char *>(filePath)
-                                     length:strlen(filePath)
-                                   encoding:NSUTF8StringEncoding
-                               freeWhenDone:NO];
-  return nsFilePath.lastPathComponent;
-}