GpuMemoryBufferFactoryOzoneNativePixmap: expose supported GMB attribs

gpu/ipc/service/gpu_memory_buffer_factory_native_pixmap.cc

Index: gpu/ipc/service/gpu_memory_buffer_factory_native_pixmap.cc
diff --git a/gpu/ipc/service/gpu_memory_buffer_factory_native_pixmap.cc b/gpu/ipc/service/gpu_memory_buffer_factory_native_pixmap.cc
index cc08eb86e4138313138022a66430604fce455a76..83cf260b00d3e48e6a563d2224798e92789a95f7 100644
--- a/gpu/ipc/service/gpu_memory_buffer_factory_native_pixmap.cc
+++ b/gpu/ipc/service/gpu_memory_buffer_factory_native_pixmap.cc
@@ -67,6 +67,23 @@ void GpuMemoryBufferFactoryNativePixmap::DestroyGpuMemoryBuffer(
   native_pixmaps_.erase(key);
 }
 
+gfx::GpuMemoryBufferAttribVector GpuMemoryBufferFactoryNativePixmap::
+    GetGpuMemoryBufferAttribsForUsage(gfx::BufferUsage usage) {
+  switch (usage) {
+    case gfx::BufferUsage::SCANOUT:
+    case gfx::BufferUsage::SCANOUT_CPU_READ_WRITE:
+      return ui::OzonePlatform::GetInstance()
+          ->GetSurfaceFactoryOzone()
+          ->GetScanoutFormatsWithModifiers(gfx::kNullAcceleratedWidget);
+    case gfx::BufferUsage::GPU_READ:
+    case gfx::BufferUsage::GPU_READ_CPU_READ_WRITE:
+    case gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT:
+      return gl::GLImageNativePixmap::QueryDmaBufFormatsAndModifiers();
+    default:
+      return gfx::GpuMemoryBufferAttribVector();
+  }
+}
+
 ImageFactory* GpuMemoryBufferFactoryNativePixmap::AsImageFactory() {
   return this;
 }