Make NativePixmapHandle move-only

NativePixmapHandle now uses ScopedFD instead of FileDescriptor to
store file descriptors.

Bug: 852011, 863011
Change-Id: Ib56183c8f663ef974f4327b6ca702cb36ba774c5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1529688
Commit-Queue: Sergey Ulanov <sergeyu@chromium.org>
Reviewed-by: Yusuke Sato <yusukes@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Daniele Castagna <dcastagna@chromium.org>
Reviewed-by: Dan Sanders <sandersd@chromium.org>
Reviewed-by: Michael Spang <spang@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#643482}
72 files changed