Adding the iOS app and integration example with GlRenderer.

remoting/client/BUILD.gn

Index: remoting/client/BUILD.gn
diff --git a/remoting/client/BUILD.gn b/remoting/client/BUILD.gn
index b5ff104c1f134e26227fa4fcaed7a847e0e027dc..fd7c86ee709dfa083d78cc5b9fa430598838d8b2 100644
--- a/remoting/client/BUILD.gn
+++ b/remoting/client/BUILD.gn
@@ -85,6 +85,7 @@ source_set("opengl_renderer") {
     "gl_cursor_feedback_texture.h",
     "gl_desktop.cc",
     "gl_desktop.h",
+    "gl_drawable.h",
     "gl_helpers.cc",
     "gl_helpers.h",
     "gl_math.cc",
@@ -96,11 +97,14 @@ source_set("opengl_renderer") {
   ]
 
   deps = [
-    "//remoting/proto",
     "//third_party/libyuv",
     "//third_party/webrtc/base:rtc_base",
   ]
 
+  public_deps = [
+    "//remoting/proto:proto_lite",
+  ]
+
   configs += [ "//third_party/khronos:khronos_headers" ]
 
   if (is_linux) {