[Ozone-GBM] Use dma_buf with surfaceless

ui/ozone/platform/dri/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/dri/gbm_surface_factory.h"
 
 #include <gbm.h>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 158 matching lines @@
 }
 
 scoped_refptr<ui::NativePixmap> GbmSurfaceFactory::CreateNativePixmap(
     gfx::Size size,
     BufferFormat format) {
   scoped_refptr<GbmBuffer> buffer = GbmBuffer::CreateBuffer(
       drm_, device_, format, size, true);
   if (!buffer.get())
     return NULL;
 
-  return scoped_refptr<GbmPixmap>(new GbmPixmap(buffer));
+  scoped_refptr<GbmPixmap> pixmap(new GbmPixmap(buffer));
+  if (!pixmap->Initialize(drm_))
+    return NULL;
+
+  return pixmap;
 }
 
 OverlayCandidatesOzone* GbmSurfaceFactory::GetOverlayCandidates(
     gfx::AcceleratedWidget w) {
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kOzoneTestSingleOverlaySupport))
     return new SingleOverlay();
   return NULL;
 }
 
@@ skipping 32 matching lines @@
     scoped_ptr<DriWindowDelegate> delegate(
         new DriWindowDelegateImpl(widget, screen_manager_));
     delegate->Initialize();
     window_manager_->AddWindowDelegate(widget, delegate.Pass());
   }
 
   return window_manager_->GetWindowDelegate(widget);
 }
 
 }  // namespace ui