Mojo C++ bindings: support sync methods - part 1.

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

 // Copyright 2015 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/interface_endpoint_client.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 143 matching lines @@
     return false;
 
   return handle_.router()->SendMessage(handle_, message);
 }
 
 bool InterfaceEndpointClient::AcceptWithResponder(Message* message,
                                                   MessageReceiver* responder) {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(message->has_flag(kMessageExpectsResponse));
 
+  // TODO(yzshen): Sync method call using assoicated interfaces or master
+  // interfaces that serve associated interfaces hasn't been supported yet.
+  if (message->has_flag(kMessageIsSync)) {
+    NOTIMPLEMENTED();
+    return false;
+  }
+
   if (encountered_error_)
     return false;
 
   // Reserve 0 in case we want it to convey special meaning in the future.
   uint64_t request_id = next_request_id_++;
   if (request_id == 0)
     request_id = next_request_id_++;
 
   message->set_request_id(request_id);
 
@@ skipping 46 matching lines @@
   } else {
     if (!incoming_receiver_)
       return false;
 
     return incoming_receiver_->Accept(message);
   }
 }
 
 }  // namespace internal
 }  // namespace mojo