Fix EGL configs with GLSurfaceOzoneSurfaceless.

ui/ozone/platform/drm/gpu/gbm_surface_factory.cc

Index: ui/ozone/platform/drm/gpu/gbm_surface_factory.cc
diff --git a/ui/ozone/platform/drm/gpu/gbm_surface_factory.cc b/ui/ozone/platform/drm/gpu/gbm_surface_factory.cc
index 32ffdad83751ff1a0184849b9864de0c104d3ef9..331babc07c9430fbc86a8da5e83c9b68fbc93e92 100644
--- a/ui/ozone/platform/drm/gpu/gbm_surface_factory.cc
+++ b/ui/ozone/platform/drm/gpu/gbm_surface_factory.cc
@@ -54,6 +54,27 @@ intptr_t GbmSurfaceFactory::GetNativeDisplay() {
   return EGL_DEFAULT_DISPLAY;
 }
 
+const int32_t* GbmSurfaceFactory::GetEGLSurfaceProperties(
+    const int32_t* desired_list) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  static const int32_t kConfigAttribs[] = {EGL_BUFFER_SIZE,
+                                           32,
+                                           EGL_ALPHA_SIZE,
+                                           8,
+                                           EGL_BLUE_SIZE,
+                                           8,
+                                           EGL_GREEN_SIZE,
+                                           8,
+                                           EGL_RED_SIZE,
+                                           8,
+                                           EGL_RENDERABLE_TYPE,
+                                           EGL_OPENGL_ES2_BIT,
+                                           EGL_SURFACE_TYPE,
+                                           EGL_WINDOW_BIT,

[dnicoara, 2016/03/01 18:15:56]

This should be EGL_DONT_CARE (marcheu@ updated this to better reflect that a
window isn't created in: https://codereview.chromium.org/1736883002)

[kylechar, 2016/03/03 16:09:23]

Done.

+                                           EGL_NONE};
+  return kConfigAttribs;
+}
+
 bool GbmSurfaceFactory::LoadEGLGLES2Bindings(
     AddGLLibraryCallback add_gl_library,
     SetGLGetProcAddressProcCallback set_gl_get_proc_address) {