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

remoting/client/display/gl_render_layer.h

Index: remoting/client/display/gl_render_layer.h
diff --git a/remoting/client/gl_render_layer.h b/remoting/client/display/gl_render_layer.h
similarity index 96%
rename from remoting/client/gl_render_layer.h
rename to remoting/client/display/gl_render_layer.h
index 5306e84e49e9d3640195e5ac55f905d1c08d0be7..c616e47e0de64d2be841c6a0e86589a407bd3c58 100644
--- a/remoting/client/gl_render_layer.h
+++ b/remoting/client/display/gl_render_layer.h
@@ -2,8 +2,8 @@
 // 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_RENDER_LAYER_H_
-#define REMOTING_CLIENT_OPENGL_GL_RENDER_LAYER_H_
+#ifndef REMOTING_CLIENT_DISPLAY_GL_RENDER_LAYER_H_
+#define REMOTING_CLIENT_DISPLAY_GL_RENDER_LAYER_H_
 
 #include <array>
 #include <memory>
@@ -97,4 +97,4 @@ class GlRenderLayer {
 };
 
 }  // namespace remoting
-#endif  // REMOTING_CLIENT_OPENGL_GL_RENDER_LAYER_H_
+#endif  // REMOTING_CLIENT_DISPLAY_GL_RENDER_LAYER_H_