Mojo: NULL -> nullptr in mojo/system and mojo/embedder.

mojo/system/transport_data.cc

 // Copyright 2014 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/system/transport_data.h"
 
 #include <string.h>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 279 matching lines @@
     size_t size = handle_table[i].size;
     if (size > kMaxSerializedDispatcherSize || size > buffer_size)
       return kInvalidSerializedDispatcher;
 
     // Note: This is an overflow-safe check for |offset + size > buffer_size|
     // (we know that |size <= buffer_size| from the previous check).
     if (offset > buffer_size - size)
       return kInvalidSerializedDispatcher;
   }
 
-  return NULL;
+  return nullptr;
 }
 
 // static
 void TransportData::GetPlatformHandleTable(const void* transport_data_buffer,
                                            size_t* num_platform_handles,
                                            const void** platform_handle_table) {
   DCHECK(transport_data_buffer);
   DCHECK(num_platform_handles);
   DCHECK(platform_handle_table);
 
@@ skipping 31 matching lines @@
     const void* source = static_cast<const char*>(buffer) + offset;
     (*dispatchers)[i] = Dispatcher::TransportDataAccess::Deserialize(
         channel, handle_table[i].type, source, size, platform_handles.get());
   }
 
   return dispatchers.Pass();
 }
 
 }  // namespace system
 }  // namespace mojo