Mojo: request/response bindings

mojo/services/gles2/command_buffer_impl.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/services/gles2/command_buffer_impl.h"
 
 #include "base/bind.h"
 #include "base/memory/shared_memory.h"
 
 #include "gpu/command_buffer/common/constants.h"
@@ skipping 134 matching lines @@
                                                uint32_t size) {
   bool read_only = false;
   base::SharedMemory shared_memory(transfer_buffer, read_only);
   command_buffer_->RegisterTransferBuffer(id, &shared_memory, size);
 }
 
 void CommandBufferImpl::DestroyTransferBuffer(int32_t id) {
   command_buffer_->DestroyTransferBuffer(id);
 }
 
-void CommandBufferImpl::Echo() { client_->EchoAck(); }
+void CommandBufferImpl::Echo(const Callback<void()>& callback) {
+  callback.Run();
+}
 
 void CommandBufferImpl::RequestAnimationFrames() {
   timer_.Start(FROM_HERE,
                base::TimeDelta::FromMilliseconds(16),
                this,
                &CommandBufferImpl::DrawAnimationFrame);
 }
 
 void CommandBufferImpl::CancelAnimationFrames() { timer_.Stop(); }
 
 void CommandBufferImpl::OnParseError() {
   gpu::CommandBuffer::State state = command_buffer_->GetState();
   client_->LostContext(state.context_lost_reason);
 }
 
 void CommandBufferImpl::DrawAnimationFrame() { client_->DrawAnimationFrame(); }
 
 }  // namespace services
 }  // namespace mojo