Revert of Mojo multiple command buffer support and sample

mojo/examples/surfaces_app/child_gl_app.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 "base/threading/platform_thread.h"
-#include "mojo/examples/surfaces_app/child_gl_impl.h"
-#include "mojo/public/cpp/application/application_connection.h"
-#include "mojo/public/cpp/application/application_delegate.h"
-#include "mojo/public/cpp/application/application_impl.h"
-#include "mojo/public/cpp/bindings/string.h"
-#include "mojo/services/public/interfaces/gpu/gpu.mojom.h"
-
-namespace mojo {
-namespace examples {
-
-class ChildGLApp : public ApplicationDelegate, public InterfaceFactory<Child> {
- public:
-  ChildGLApp() {}
-  virtual ~ChildGLApp() {}
-
-  virtual void Initialize(ApplicationImpl* app) OVERRIDE {
-    surfaces_service_connection_ =
-        app->ConnectToApplication("mojo:mojo_surfaces_service");
-    // TODO(jamesr): Should be mojo:mojo_gpu_service
-    app->ConnectToService("mojo:mojo_native_viewport_service", &gpu_service_);
-  }
-
-  // ApplicationDelegate implementation.
-  virtual bool ConfigureIncomingConnection(
-      ApplicationConnection* connection) OVERRIDE {
-    connection->AddService(this);
-    return true;
-  }
-
-  // InterfaceFactory<Child> implementation.
-  virtual void Create(ApplicationConnection* connection,
-                      InterfaceRequest<Child> request) OVERRIDE {
-    CommandBufferPtr command_buffer;
-    gpu_service_->CreateOffscreenGLES2Context(Get(&command_buffer));
-    BindToRequest(
-        new ChildGLImpl(surfaces_service_connection_, command_buffer.Pass()),
-        &request);
-  }
-
- private:
-  ApplicationConnection* surfaces_service_connection_;
-  GpuPtr gpu_service_;
-
-  DISALLOW_COPY_AND_ASSIGN(ChildGLApp);
-};
-
-}  // namespace examples
-
-// static
-ApplicationDelegate* ApplicationDelegate::Create() {
-  return new examples::ChildGLApp();
-}
-
-}  // namespace mojo