NotForReview: Implement zero/one-copy texture for ozone freon using Intel DRM

ui/gfx/gpu_memory_buffer.cc

Index: ui/gfx/gpu_memory_buffer.cc
diff --git a/ui/gfx/gpu_memory_buffer.cc b/ui/gfx/gpu_memory_buffer.cc
index da80107bda452458eecc01419db935a595ae0d4a..9c4a369456b56b717dcbc6bbf060f7c143428322 100644
--- a/ui/gfx/gpu_memory_buffer.cc
+++ b/ui/gfx/gpu_memory_buffer.cc
@@ -13,6 +13,10 @@ GpuMemoryBufferHandle::GpuMemoryBufferHandle()
 #if defined(OS_MACOSX)
       ,
       io_surface_id(0)
+#elif defined(USE_OZONE)
+      ,
+      stride(0),
+      device_handle(base::SharedMemory::NULLHandle())
 #endif
 {
 }