Allow creating GLImage-backed textures with glTexStorage2D.

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 4bb54f3cb0086bd495d6a339435ba8ac6fe555a6..bddfa6d0d4eb822a59d946ee08bbcefa2f779a32 100644
--- a/gpu/ipc/service/gpu_memory_buffer_factory_native_pixmap.cc
+++ b/gpu/ipc/service/gpu_memory_buffer_factory_native_pixmap.cc
@@ -131,13 +131,14 @@ scoped_refptr<gl::GLImage>
 GpuMemoryBufferFactoryNativePixmap::CreateAnonymousImage(
     const gfx::Size& size,
     gfx::BufferFormat format,
+    gfx::BufferUsage usage,
     unsigned internalformat) {
   scoped_refptr<gfx::NativePixmap> pixmap;
 #if defined(USE_OZONE)
-  pixmap = ui::OzonePlatform::GetInstance()
-               ->GetSurfaceFactoryOzone()
-               ->CreateNativePixmap(gpu::kNullSurfaceHandle, size, format,
-                                    gfx::BufferUsage::SCANOUT);
+  pixmap =
+      ui::OzonePlatform::GetInstance()
+          ->GetSurfaceFactoryOzone()
+          ->CreateNativePixmap(gpu::kNullSurfaceHandle, size, format, usage);
 #else
   NOTIMPLEMENTED();
 #endif