Add MGLEcho

mojo/gles2/gles2_context.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/gles2/gles2_context.h"
 
 #include "gpu/command_buffer/client/gles2_cmd_helper.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "gpu/command_buffer/client/transfer_buffer.h"
 
 namespace gles2 {
+namespace {
 
-namespace {
 const size_t kDefaultCommandBufferSize = 1024 * 1024;
 const size_t kDefaultStartTransferBufferSize = 1 * 1024 * 1024;
 const size_t kDefaultMinTransferBufferSize = 1 * 256 * 1024;
 const size_t kDefaultMaxTransferBufferSize = 16 * 1024 * 1024;
-}
+
+}  // namespace
 
 GLES2Context::GLES2Context(const MojoAsyncWaiter* async_waiter,
                            mojo::ScopedMessagePipeHandle command_buffer_handle,
                            MGLContextLostCallback lost_callback,
                            void* closure)
     : command_buffer_(this, async_waiter, command_buffer_handle.Pass()),
       lost_callback_(lost_callback),
       closure_(closure) {
 }
 
@@ skipping 21 matching lines @@
                                           bind_generates_resource,
                                           lose_context_when_out_of_memory,
                                           support_client_side_arrays,
                                           &command_buffer_));
   return implementation_->Initialize(kDefaultStartTransferBufferSize,
                                      kDefaultMinTransferBufferSize,
                                      kDefaultMaxTransferBufferSize,
                                      gpu::gles2::GLES2Implementation::kNoLimit);
 }
 
-namespace {
-void RunSignalSyncCallback(MGLSignalSyncPointCallback callback,
-                           void* closure) {
-  callback(closure);
-}
+void GLES2Context::Echo(MGLEchoCallback callback, void* closure) {
+  implementation_->Echo(base::Bind(callback, closure));
 }
 
 void GLES2Context::SignalSyncPoint(uint32_t sync_point,
                                    MGLSignalSyncPointCallback callback,
                                    void* closure) {
-  implementation_->SignalSyncPoint(
-      sync_point, base::Bind(&RunSignalSyncCallback, callback, closure));
+  implementation_->SignalSyncPoint(sync_point, base::Bind(callback, closure));
 }
 
 void GLES2Context::ContextLost() { lost_callback_(closure_); }
 
 }  // namespace gles2