Fix EGL configs with GLSurfaceOzoneSurfaceless.

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/ozone/platform/drm/gpu/gbm_surface_factory.h"
 
 #include <gbm.h>
 
 #include "base/files/file_path.h"
 #include "build/build_config.h"
@@ skipping 36 matching lines @@
   auto it = widget_to_surface_map_.find(widget);
   DCHECK(it != widget_to_surface_map_.end());
   return it->second;
 }
 
 intptr_t GbmSurfaceFactory::GetNativeDisplay() {
   DCHECK(thread_checker_.CalledOnValidThread());
   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) {
   DCHECK(thread_checker_.CalledOnValidThread());
   return LoadDefaultEGLGLES2Bindings(add_gl_library, set_gl_get_proc_address);
 }
 
 scoped_ptr<SurfaceOzoneCanvas> GbmSurfaceFactory::CreateCanvasForWidget(
     gfx::AcceleratedWidget widget) {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ skipping 46 matching lines @@
 }
 
 scoped_refptr<ui::NativePixmap> GbmSurfaceFactory::CreateNativePixmapFromHandle(
     const gfx::NativePixmapHandle& handle) {
   scoped_refptr<GbmPixmap> pixmap(new GbmPixmap(this));
   pixmap->Initialize(base::ScopedFD(handle.fd.fd), handle.stride);
   return pixmap;
 }
 
 }  // namespace ui