media/gpu/v4l2svda: update doc for CreateGLImageFor()

The doc for this method was still referring to deprecated and deleted
members.

BUG=b:146842214
TEST=Chromium builds for arm-generic.

Change-Id: Ia8bf76ffa3091b73b8c6c5d95721de8b8a3d71d3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2010242
Commit-Queue: Alexandre Courbot <acourbot@chromium.org>
Auto-Submit: Alexandre Courbot <acourbot@chromium.org>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#733512}

media/gpu/v4l2/v4l2_slice_video_decode_accelerator.h

@@ -271,9 +271,9 @@ class MEDIA_GPU_EXPORT V4L2SliceVideoDecodeAccelerator
                                            gfx::NativePixmapHandle handle);
 
   // Create a GLImage for the buffer associated with V4L2 |buffer_index| and
-  // for |picture_buffer_id|, backed by dmabuf file descriptors in
-  // |dmabuf_fds|, taking ownership of them.
-  // The GLImage will be associated |client_texture_id| in gles2 decoder.
+  // for |picture_buffer_id|, backed by |handle|.
+  // The GLImage will be associated |client_texture_id| in gles2 decoder and is
+  // of format |fourcc|.
   void CreateGLImageFor(size_t buffer_index,
                         int32_t picture_buffer_id,
                         gfx::NativePixmapHandle handle,