Adding the iOS app and integration example with GlRenderer.

remoting/client/ios/display/gl_demo_screen.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_DEMO_SCREEN_H_

[joedow, 2016/12/19 23:56:26]

The macro guard should match the dir structure:
REMOTING_CLIENT_IOS_DISPLAY_GL_DEMO_SCREEN_H_

+#define REMOTING_CLIENT_OPENGL_GL_DEMO_SCREEN_H_
+
+#include <memory>
+#include <vector>
+
+#include "base/macros.h"
+#include "remoting/client/gl_drawable.h"
+#include "remoting/client/sys_opengl.h"
+#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
+
+namespace remoting {
+
+class GlCanvas;
+
+// This class draws the desktop on the canvas.
+class GlDemoScreen : public GlDrawable {
+ public:
+  GlDemoScreen();
+  ~GlDemoScreen() override;
+

[joedow, 2016/12/19 23:56:26]

Interface overrides are typically grouped together and commented (e.g. "//
GlDrawable interface.")

+  void SetCanvas(GlCanvas* canvas) override;
+
+  void Draw() override;
+
+ private:
+  GlCanvas* canvas_ = nullptr;
+  int square_size;
+  GLuint program;
+
+  DISALLOW_COPY_AND_ASSIGN(GlDemoScreen);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_CLIENT_OPENGL_GL_DEMO_SCREEN_H_