Allow multiple texture ids per picture buffer.

media/video/video_decode_accelerator.h

Index: media/video/video_decode_accelerator.h
diff --git a/media/video/video_decode_accelerator.h b/media/video/video_decode_accelerator.h
index 62d5ab9d381c7ff34c309feb34ed73ec273550ad..88cd86a66365a68cde3b5b3ff6efb016a5650530 100644
--- a/media/video/video_decode_accelerator.h
+++ b/media/video/video_decode_accelerator.h
@@ -126,6 +126,7 @@ class MEDIA_EXPORT VideoDecodeAccelerator {
     // Note that the actual count provided through AssignPictureBuffers() can be
     // larger than the value requested.
     virtual void ProvidePictureBuffers(uint32_t requested_num_of_buffers,
+                                       uint32_t textures_per_buffer,
                                        const gfx::Size& dimensions,
                                        uint32_t texture_target) = 0;