No need to include all of carbon, just need CoreFoundation, and impl gets tha...

base/native_library_mac.mm

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/native_library.h"
 
 #include <dlfcn.h>
-#import <Carbon/Carbon.h>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/string_util.h"
 #include "base/thread_restrictions.h"
 #include "base/utf_string_conversions.h"
 
 namespace base {
 
@@ skipping 52 matching lines @@
   }
   return dlsym(library->dylib, name);
 }
 
 // static
 string16 GetNativeLibraryName(const string16& name) {
   return name + ASCIIToUTF16(".dylib");
 }
 
 }  // namespace base