Remove opaque frame buffer in destructor of GbmBufferBase.

ui/ozone/platform/drm/gpu/gbm_buffer_base.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_buffer_base.h"
 
 #include <gbm.h>
 
 #include "base/logging.h"
 #include "ui/ozone/platform/drm/common/drm_util.h"
@@ skipping 38 matching lines @@
                             opaque_framebuffer_pixel_format_, handles, strides,
                             offsets, modifiers, &opaque_framebuffer_,
                             addfb_flags);
     }
   }
 }
 
 GbmBufferBase::~GbmBufferBase() {
   if (framebuffer_)
     drm_->RemoveFramebuffer(framebuffer_);
+  if (opaque_framebuffer_)
+    drm_->RemoveFramebuffer(opaque_framebuffer_);
 }
 
 uint32_t GbmBufferBase::GetFramebufferId() const {
   return framebuffer_;
 }
 
 uint32_t GbmBufferBase::GetOpaqueFramebufferId() const {
   return opaque_framebuffer_ ? opaque_framebuffer_ : framebuffer_;
 }
 
@@ skipping 17 matching lines @@
 
 const DrmDevice* GbmBufferBase::GetDrmDevice() const {
   return drm_.get();
 }
 
 bool GbmBufferBase::RequiresGlFinish() const {
   return !drm_->is_primary_device();
 }
 
 }  // namespace ui