Add new Ozone surface API.

ui/gl/DEPS

 include_rules = [
   "+third_party/khronos",
   "+third_party/skia",
-  "+ui/base",
   "+ui/events",
   "+ui/gfx",
 ]
 
 specific_include_rules = {
 # This is the only target that should use the osmesa.h header. Everything else
 # should use the GLES2 headers from third_party/khronos/ or use gl_bindings.h to
 # get access to desktop OpenGL.
   "gl_surface_osmesa.cc": [
     "+third_party/mesa/src/include/GL/osmesa.h",
   ],
 # Allow us to include ANGLE's base platform implementation.
   "angle_platform_impl.h": [
     "+third_party/angle/include/platform/Platform.h",
   ],
   "gl_image_ozone_native_pixmap_drm_unittest.cc": [
     "+ui/ozone/gl",
     "+ui/ozone/public",
   ],
   "gl_image_ozone_native_pixmap_unittest.cc": [
     "+ui/ozone/gl",
     "+ui/ozone/public",
   ],
 }