Revert of Remove all reference to carbon api

webrtc/base/macutils.h

 /*
  *  Copyright 2007 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.
  */
 
 #ifndef WEBRTC_BASE_MACUTILS_H__
 #define WEBRTC_BASE_MACUTILS_H__
 
 #include <CoreFoundation/CoreFoundation.h>
+#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
+#include <Carbon/Carbon.h>
+#endif
 #include <string>
 
 namespace rtc {
 
 ///////////////////////////////////////////////////////////////////////////////
 
 // Note that some of these functions work for both iOS and Mac OS X.  The ones
 // that are specific to Mac are #ifdef'ed as such.
 
 bool ToUtf8(const CFStringRef str16, std::string* str8);
 bool ToUtf16(const std::string& str8, CFStringRef* str16);
 
 #if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
 void DecodeFourChar(UInt32 fc, std::string* out);
 
 enum MacOSVersionName {
   kMacOSUnknown,       // ???
   kMacOSOlder,         // 10.2-
   kMacOSPanther,       // 10.3
   kMacOSTiger,         // 10.4
   kMacOSLeopard,       // 10.5
   kMacOSSnowLeopard,   // 10.6
   kMacOSLion,          // 10.7
   kMacOSMountainLion,  // 10.8
   kMacOSMavericks,     // 10.9
   kMacOSNewer,         // 10.10+
 };
 
 MacOSVersionName GetOSVersionName();
+
+// Runs the given apple script. Only supports scripts that does not
+// require user interaction.
+bool RunAppleScript(const std::string& script);
 #endif
 
 ///////////////////////////////////////////////////////////////////////////////
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_MACUTILS_H__