Update from https://crrev.com/328418

base/file_version_info_mac.h

 // Copyright (c) 2011 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.
 
 #ifndef BASE_FILE_VERSION_INFO_MAC_H_
 #define BASE_FILE_VERSION_INFO_MAC_H_
 
+#include <CoreFoundation/CoreFoundation.h>
 #include <string>
 
 #include "base/file_version_info.h"
 #include "base/mac/scoped_nsobject.h"
 
-#ifdef __OBJC__
 @class NSBundle;
-#else
-class NSBundle;
-#endif
 
 class FileVersionInfoMac : public FileVersionInfo {
  public:
   explicit FileVersionInfoMac(NSBundle *bundle);
   ~FileVersionInfoMac() override;
 
   // Accessors to the different version properties.
   // Returns an empty string if the property is not found.
   base::string16 company_name() override;
   base::string16 company_short_name() override;
@@ skipping 16 matching lines @@
   // Returns a base::string16 value for a property name.
   // Returns the empty string if the property does not exist.
   base::string16 GetString16Value(CFStringRef name);
 
   base::scoped_nsobject<NSBundle> bundle_;
 
   DISALLOW_COPY_AND_ASSIGN(FileVersionInfoMac);
 };
 
 #endif  // BASE_FILE_VERSION_INFO_MAC_H_