Mojo: NULL -> nullptr in mojo/public/cpp/bindings and also for the bindings generator.

mojo/public/cpp/bindings/lib/bindings_serialization.cc

 // Copyright 2013 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 "mojo/public/cpp/bindings/lib/bindings_serialization.h"
 
 #include "mojo/public/cpp/bindings/lib/bindings_internal.h"
 #include "mojo/public/cpp/bindings/lib/bounds_checker.h"
 #include "mojo/public/cpp/bindings/lib/validation_errors.h"
 #include "mojo/public/cpp/environment/logging.h"
@@ skipping 32 matching lines @@
 
   const char* p_obj = reinterpret_cast<const char*>(ptr);
   const char* p_slot = reinterpret_cast<const char*>(offset);
   MOJO_DCHECK(p_obj > p_slot);
 
   *offset = static_cast<uint64_t>(p_obj - p_slot);
 }
 
 const void* DecodePointerRaw(const uint64_t* offset) {
   if (!*offset)
-    return NULL;
+    return nullptr;
   return reinterpret_cast<const char*>(offset) + *offset;
 }
 
 bool ValidateEncodedPointer(const uint64_t* offset) {
   // Cast to uintptr_t so overflow behavior is well defined.
   return reinterpret_cast<uintptr_t>(offset) + *offset >=
       reinterpret_cast<uintptr_t>(offset);
 }
 
 void EncodeHandle(Handle* handle, std::vector<Handle>* handles) {
@@ skipping 44 matching lines @@
   if (!bounds_checker->ClaimMemory(data, header->num_bytes)) {
     ReportValidationError(VALIDATION_ERROR_ILLEGAL_MEMORY_RANGE);
     return false;
   }
 
   return true;
 }
 
 }  // namespace internal
 }  // namespace mojo