Replace NULL with nullptr.

extensions/browser/api/cast_channel/cast_transport.cc

Index: extensions/browser/api/cast_channel/cast_transport.cc
diff --git a/extensions/browser/api/cast_channel/cast_transport.cc b/extensions/browser/api/cast_channel/cast_transport.cc
index 2acf2d910d66d1577ae9e790e7280874833dddf9..0619e95260df4c9ba896dfd279788d45d6d23529 100644
--- a/extensions/browser/api/cast_channel/cast_transport.cc
+++ b/extensions/browser/api/cast_channel/cast_transport.cc
@@ -395,7 +395,7 @@ int CastTransportImpl::DoReadComplete(int result) {
   }
 
   size_t message_size;
-  DCHECK(current_message_.get() == NULL);
+  DCHECK(current_message_.get() == nullptr);

[imcheng, 2015/01/15 19:26:45]

DCHECK(!current_message_); ?

[Kevin M, 2015/01/27 00:56:45]

Done.

   ChannelError framing_error;
   current_message_ = framer_->Ingest(result, &message_size, &framing_error);
   if (current_message_.get() && (framing_error == CHANNEL_ERROR_NONE)) {
@@ -406,11 +406,11 @@ int CastTransportImpl::DoReadComplete(int result) {
                            static_cast<uint32>(message_size)));
     SetReadState(READ_STATE_DO_CALLBACK);
   } else if (framing_error != CHANNEL_ERROR_NONE) {
-    DCHECK(current_message_.get() == NULL);
+    DCHECK(current_message_.get() == nullptr);

[imcheng, 2015/01/15 19:26:45]

ditto

[Kevin M, 2015/01/27 00:56:45]

Done.

     SetErrorState(CHANNEL_ERROR_INVALID_MESSAGE);
     SetReadState(READ_STATE_ERROR);
   } else {
-    DCHECK(current_message_.get() == NULL);
+    DCHECK(current_message_.get() == nullptr);

[imcheng, 2015/01/15 19:26:45]

ditto

[Kevin M, 2015/01/27 00:56:45]

Done.

     SetReadState(READ_STATE_READ);
   }
   return net::OK;