Attempt to fix Linux ChromiumOS Ozone Builder.

ui/ozone/public/surface_factory_ozone.cc

 // Copyright (c) 2013 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/public/surface_factory_ozone.h"
 
 #include <stdlib.h>
 
 #include "base/command_line.h"
 #include "ui/ozone/public/native_pixmap.h"
@@ skipping 27 matching lines @@
 scoped_ptr<SurfaceOzoneEGL> SurfaceFactoryOzone::CreateEGLSurfaceForWidget(
     gfx::AcceleratedWidget widget) {
   NOTIMPLEMENTED();
   return scoped_ptr<SurfaceOzoneEGL>();
 }
 
 scoped_ptr<SurfaceOzoneEGL>
 SurfaceFactoryOzone::CreateSurfacelessEGLSurfaceForWidget(
     gfx::AcceleratedWidget widget) {
   NOTIMPLEMENTED();
-  return scoped_ptr<SurfaceOzoneCanvas>();
+  return scoped_ptr<SurfaceOzoneEGL>();
 }
 
 scoped_ptr<SurfaceOzoneCanvas> SurfaceFactoryOzone::CreateCanvasForWidget(
     gfx::AcceleratedWidget widget) {
   NOTIMPLEMENTED();
   return scoped_ptr<SurfaceOzoneCanvas>();
 }
 
 const int32* SurfaceFactoryOzone::GetEGLSurfaceProperties(
     const int32* desired_attributes) {
@@ skipping 18 matching lines @@
     scoped_refptr<NativePixmap> buffer,
     const gfx::Rect& display_bounds,
     const gfx::RectF& crop_rect) {
   return false;
 }
 
 bool SurfaceFactoryOzone::CanShowPrimaryPlaneAsOverlay() {
   return false;
 }
 }  // namespace ui