Mojo: request/response bindings

mojo/gles2/command_buffer_client_impl.cc

Index: mojo/gles2/command_buffer_client_impl.cc
diff --git a/mojo/gles2/command_buffer_client_impl.cc b/mojo/gles2/command_buffer_client_impl.cc
index 60fa366ab0574f5bd156f7b0e8a894003b02e7f7..97f78d592b57f62cecaf8eb10c805c8640dacc2c 100644
--- a/mojo/gles2/command_buffer_client_impl.cc
+++ b/mojo/gles2/command_buffer_client_impl.cc
@@ -216,8 +216,7 @@ void CommandBufferClientImpl::SendManagedMemoryStats(
 }
 
 void CommandBufferClientImpl::Echo(const base::Closure& callback) {
-  echo_closures_.push(callback);
-  command_buffer_->Echo();
+  command_buffer_->Echo(callback);
 }
 
 uint32 CommandBufferClientImpl::CreateStreamTexture(uint32 texture_id) {
@@ -247,12 +246,6 @@ void CommandBufferClientImpl::DidDestroy() {
   LostContext(gpu::error::kUnknown);
 }
 
-void CommandBufferClientImpl::EchoAck() {
-  base::Closure closure = echo_closures_.front();
-  echo_closures_.pop();
-  closure.Run();
-}
-
 void CommandBufferClientImpl::LostContext(int32_t lost_reason) {
   last_state_.error = gpu::error::kLostContext;
   last_state_.context_lost_reason =