Replace NULL with nullptr or null in webrtc/base/.

webrtc/base/base64.h

 
 //*********************************************************************
 //* C_Base64 - a simple base64 encoder and decoder.
 //*
 //*     Copyright (c) 1999, Bob Withers - bwit@pobox.com
 //*
 //* This code may be freely used for any purpose, either personal
 //* or commercial, provided the authors copyright notice remains
 //* intact.
 //*********************************************************************
@@ skipping 65 matching lines @@
                               size_t* data_used);
 
   // Convenience Methods
   static inline std::string Encode(const std::string& data) {
     std::string result;
     EncodeFromArray(data.data(), data.size(), &result);
     return result;
   }
   static inline std::string Decode(const std::string& data, DecodeFlags flags) {
     std::string result;
-    DecodeFromArray(data.data(), data.size(), flags, &result, NULL);
+    DecodeFromArray(data.data(), data.size(), flags, &result, nullptr);
     return result;
   }
   static inline bool Decode(const std::string& data,
                             DecodeFlags flags,
                             std::string* result,
                             size_t* data_used) {
     return DecodeFromArray(data.data(), data.size(), flags, result, data_used);
   }
   static inline bool Decode(const std::string& data,
                             DecodeFlags flags,
@@ skipping 17 matching lines @@
   static bool DecodeFromArrayTemplate(const char* data,
                                       size_t len,
                                       DecodeFlags flags,
                                       T* result,
                                       size_t* data_used);
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_BASE64_H__