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

remoting/client/gl_renderer_delegate.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_GL_RENDERER_DELEGATE_H_
-#define REMOTING_CLIENT_GL_RENDERER_DELEGATE_H_
-
-#include "base/macros.h"
-
-namespace remoting {
-
-// Interface to interact with GlRenderer. All functions will be called on the
-// display thread.
-class GlRendererDelegate {
- public:
-  // Called when GlRenderer is about to render a frame on current OpenGL
-  // surface. Return true if GlRenderer can continue the render process.
-  virtual bool CanRenderFrame() = 0;
-
-  // Called after GlRenderer has successfully rendered a frame on current OpenGL
-  // surface.
-  virtual void OnFrameRendered() = 0;
-
-  // Called when the size of the canvas (= size of desktop frame) is changed.
-  virtual void OnSizeChanged(int width, int height) = 0;
-
- protected:
-  virtual ~GlRendererDelegate() {}
-};
-
-}  // namespace remoting
-#endif  // REMOTING_CLIENT_GL_RENDERER_DELEGATE_H_