SkyShell should be able to draw a green square with GL

sky/shell/shell.cc

Index: sky/shell/shell.cc
diff --git a/sky/shell/shell.cc b/sky/shell/shell.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3a465d008fadd4c55c3248722133938d95bf374a
--- /dev/null
+++ b/sky/shell/shell.cc
@@ -0,0 +1,41 @@
+// 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 "sky/shell/shell.h"
+
+#include "base/bind.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread.h"
+#include "sky/shell/sky_view.h"
+
+namespace sky {
+namespace shell {
+
+Shell::Shell(scoped_refptr<base::SingleThreadTaskRunner> java_task_runner)
+    : java_task_runner_(java_task_runner) {
+}
+
+Shell::~Shell() {
+}
+
+void Shell::Init() {
+  gpu_thread_.reset(new base::Thread("gpu_thread"));
+  gpu_thread_->Start();
+  gpu_driver_.reset(new GPUDriver());
+
+  view_.reset(new SkyView(this));
+  view_->Init();
+}
+
+void Shell::OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget) {
+  gpu_thread_->message_loop()->PostTask(
+      FROM_HERE,
+      base::Bind(&GPUDriver::Init, gpu_driver_->GetWeakPtr(), widget));
+}
+
+void Shell::OnDestroyed() {
+}
+
+}  // namespace shell
+}  // namespace sky