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

remoting/client/display/gl_helpers.h

Index: remoting/client/display/gl_helpers.h
diff --git a/remoting/client/gl_helpers.h b/remoting/client/display/gl_helpers.h
similarity index 86%
rename from remoting/client/gl_helpers.h
rename to remoting/client/display/gl_helpers.h
index 8dba721fbae157f92d41e80882c9ee8eb21489da..f48d6c71f40e88b99a0ecaf0253dda226aaa5632 100644
--- a/remoting/client/gl_helpers.h
+++ b/remoting/client/display/gl_helpers.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_GL_HELPERS_H_
-#define REMOTING_CLIENT_GL_HELPERS_H_
+#ifndef REMOTING_CLIENT_DISPLAY_GL_HELPERS_H_
+#define REMOTING_CLIENT_DISPLAY_GL_HELPERS_H_
 
 #include "base/macros.h"
 #include "remoting/client/sys_opengl.h"
@@ -26,4 +26,4 @@ GLuint CreateBuffer(const void* data, int size);
 
 }  // namespace remoting
 
-#endif  // REMOTING_CLIENT_GL_HELPERS_H_
+#endif  // REMOTING_CLIENT_DISPLAY_GL_HELPERS_H_