[wip] Kill GPU if the memory buffer cannot be used as advertised.

gpu/ipc/client/gpu_memory_buffer_impl_ozone_native_pixmap.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 "gpu/ipc/client/gpu_memory_buffer_impl_ozone_native_pixmap.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "gpu/ipc/common/gpu_memory_buffer_support.h"
@@ skipping 50 matching lines @@
     return nullptr;
   }
 
   gfx::NativePixmapHandle native_pixmap_handle;
   native_pixmap_handle.fds.emplace_back(handle.native_pixmap_handle.fds[0].fd,
                                         true /* auto_close */);
   native_pixmap_handle.planes = handle.native_pixmap_handle.planes;
   std::unique_ptr<ui::ClientNativePixmap> native_pixmap =
       ui::ClientNativePixmapFactory::GetInstance()->ImportFromHandle(
           native_pixmap_handle, size, usage);
-  DCHECK(native_pixmap);
+  if (!native_pixmap)

[rjkroege, 2016/09/02 01:14:29]

yeah. I think so.

[sadrul, 2016/09/02 03:59:53]

Not sure what you are agreeing with here :)

+    return nullptr;
 
   return base::WrapUnique(new GpuMemoryBufferImplOzoneNativePixmap(
       handle.id, size, format, callback, std::move(native_pixmap),
       handle.native_pixmap_handle.planes, std::move(scoped_fd)));
 }
 
 // static
 bool GpuMemoryBufferImplOzoneNativePixmap::IsConfigurationSupported(
     gfx::BufferFormat format,
     gfx::BufferUsage usage) {
@@ skipping 53 matching lines @@
   gfx::GpuMemoryBufferHandle handle;
   handle.type = gfx::OZONE_NATIVE_PIXMAP;
   handle.id = id_;
   handle.native_pixmap_handle.fds.emplace_back(fd_.get(),
                                                false /* auto_close */);
   handle.native_pixmap_handle.planes = planes_;
   return handle;
 }
 
 }  // namespace gpu