ozone: Implement zero/one-copy texture for Ozone GBM.

content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc

Index: content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc
diff --git a/content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc b/content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc
index 8b3e34264bda827f42fce6375571f017ef75228e..f483eb5c3811a5482daefe856ebfd5215634695f 100644
--- a/content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc
+++ b/content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc
@@ -6,6 +6,10 @@
 
 #include "ui/ozone/public/surface_factory_ozone.h"
 
+#if defined(USE_OZONE_GBM)
+#include "content/common/gpu/client/gpu_memory_buffer_impl_ozone_gbm.h"
+#endif
+
 namespace content {
 
 GpuMemoryBufferImplOzoneNativeBuffer::GpuMemoryBufferImplOzoneNativeBuffer(
@@ -26,6 +30,12 @@ GpuMemoryBufferImplOzoneNativeBuffer::CreateFromHandle(
     const gfx::Size& size,
     Format format,
     const DestructionCallback& callback) {
+#if defined(USE_OZONE_GBM)
+  // If |fd| is -1, it's SCANOUT buffer.
+  if (handle.device_handle.fd != -1)
+    return GpuMemoryBufferImplOzoneGbm::CreateFromHandle(handle, size, format,
+                                                         callback);
+#endif
   return make_scoped_ptr<GpuMemoryBufferImpl>(
       new GpuMemoryBufferImplOzoneNativeBuffer(
           handle.id, size, format, callback));