Move native_viewport and gles2 service impls to //services

mojo/services/gles2/gpu_impl.h

-// 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/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/threading/thread.h"
-#include "mojo/public/cpp/bindings/interface_request.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
-#include "mojo/services/public/interfaces/geometry/geometry.mojom.h"
-#include "mojo/services/public/interfaces/gpu/command_buffer.mojom.h"
-#include "mojo/services/public/interfaces/gpu/gpu.mojom.h"
-
-namespace gfx {
-class GLShareGroup;
-}
-
-namespace gpu {
-class SyncPointManager;
-namespace gles2 {
-class MailboxManager;
-}
-}
-
-namespace mojo {
-
-class GpuImpl : public Gpu {
- public:
-  // We need to share these across all CommandBuffer instances so that contexts
-  // they create can share resources with each other via mailboxes.
-  class State : public base::RefCounted<State> {
-   public:
-    State();
-
-    // We run the CommandBufferImpl on the control_task_runner, which forwards
-    // most method class to the CommandBufferDriver, which runs on the "driver",
-    // thread (i.e., the thread on which GpuImpl instances are created).
-    scoped_refptr<base::SingleThreadTaskRunner> control_task_runner() {
-      return control_thread_.task_runner();
-    }
-
-    // These objects are intended to be used on the "driver" thread (i.e., the
-    // thread on which GpuImpl instances are created).
-    gfx::GLShareGroup* share_group() const { return share_group_.get(); }
-    gpu::gles2::MailboxManager* mailbox_manager() const {
-      return mailbox_manager_.get();
-    }
-    gpu::SyncPointManager* sync_point_manager() const {
-      return sync_point_manager_.get();
-    }
-
-   private:
-    friend class base::RefCounted<State>;
-    ~State();
-
-    base::Thread control_thread_;
-    scoped_refptr<gpu::SyncPointManager> sync_point_manager_;
-    scoped_refptr<gfx::GLShareGroup> share_group_;
-    scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
-  };
-
-  GpuImpl(InterfaceRequest<Gpu> request, const scoped_refptr<State>& state);
-  ~GpuImpl() override;
-
-  void CreateOnscreenGLES2Context(
-      uint64_t native_viewport_id,
-      SizePtr size,
-      InterfaceRequest<CommandBuffer> command_buffer_request,
-      ViewportParameterListenerPtr listener) override;
-
-  void CreateOffscreenGLES2Context(
-      InterfaceRequest<CommandBuffer> command_buffer_request) override;
-
- private:
-  StrongBinding<Gpu> binding_;
-  scoped_refptr<State> state_;
-
-  DISALLOW_COPY_AND_ASSIGN(GpuImpl);
-};
-
-}  // namespace mojo