[Ozone] Adding a software rendering implementation of SurfaceFactoryOzone

ui/gfx/ozone/impl/hardware_display_controller_ozone.cc

 // Copyright 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/gfx/ozone/impl/hardware_display_controller_ozone.h"
 
 #include <errno.h>
 #include <string.h>
 
 #include "base/basictypes.h"
@@ skipping 38 matching lines @@
     // Unregister the buffers.
     for (int i = 0; i < 2; ++i) {
       if (!drm_->RemoveFramebuffer(surface_->bitmaps_[i]->get_framebuffer()))
         DLOG(ERROR) << "Failed to remove FB: " << strerror(errno);
     }
   }
 }
 
 bool
 HardwareDisplayControllerOzone::BindSurfaceToController(
-    SoftwareSurfaceOzone* surface) {
+    scoped_ptr<SoftwareSurfaceOzone> surface) {
   CHECK(state_ == UNINITIALIZED);
 
   // Register the buffers.
   for (int i = 0; i < 2; ++i) {
     uint32_t fb_id;
     if (!drm_->AddFramebuffer(mode_,
                               surface->bitmaps_[i]->GetColorDepth(),
                               surface->bitmaps_[i]->bytesPerPixel() << 3,
                               surface->bitmaps_[i]->rowBytes(),
                               surface->bitmaps_[i]->get_handle(),
                               &fb_id)) {
       DLOG(ERROR) << "Failed to register framebuffer: " << strerror(errno);
       state_ = FAILED;
       return false;
     }
     surface->bitmaps_[i]->set_framebuffer(fb_id);
   }
 
-  surface_.reset(surface);
+  surface_.reset(surface.release());
   state_ = SURFACE_INITIALIZED;
   return true;
 }
 
 bool HardwareDisplayControllerOzone::SchedulePageFlip() {
   CHECK(state_ == SURFACE_INITIALIZED || state_ == INITIALIZED);
 
   if (state_ == SURFACE_INITIALIZED) {
     // Perform the initial modeset.
     if (!drm_->SetCrtc(crtc_id_,
@@ skipping 12 matching lines @@
                       surface_->GetFramebufferId(),
                       this)) {
     state_ = FAILED;
     LOG(ERROR) << "Cannot page flip: " << strerror(errno);
     return false;
   }
   return true;
 }
 
 }  // namespace gfx