Moving the GL implementation details into a sub folder for client display.

remoting/client/gl_desktop.h

-// Copyright 2016 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.
-
-#ifndef REMOTING_CLIENT_OPENGL_GL_DESKTOP_H_
-#define REMOTING_CLIENT_OPENGL_GL_DESKTOP_H_
-
-#include <memory>
-#include <vector>
-
-#include "base/macros.h"
-#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
-
-namespace webrtc {
-class DesktopFrame;
-}  // namespace webrtc
-
-namespace remoting {
-
-class GlCanvas;
-
-// This class draws the desktop on the canvas.
-class GlDesktop {
- public:
-  GlDesktop();
-  virtual ~GlDesktop();
-
-  // |frame| can be either a full frame or updated regions only frame.
-  void SetVideoFrame(const webrtc::DesktopFrame& frame);
-
-  // Sets the canvas on which the desktop will be drawn. Caller must feed a
-  // full desktop frame after calling this function.
-  // If |canvas| is nullptr, nothing will happen when calling Draw().
-  void SetCanvas(GlCanvas* canvas);
-
-  // Draws the desktop on the canvas.
-  void Draw();
-
- private:
-  struct GlDesktopTextureContainer;
-
-  void ReallocateTextures(const webrtc::DesktopSize& size);
-
-  std::vector<std::unique_ptr<GlDesktopTextureContainer>> textures_;
-
-  webrtc::DesktopSize last_desktop_size_;
-  int max_texture_size_ = 0;
-  GlCanvas* canvas_ = nullptr;
-
-  DISALLOW_COPY_AND_ASSIGN(GlDesktop);
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_CLIENT_OPENGL_GL_DESKTOP_H_