Sync HTML element interfaces O-Q with the spec

Also fix the confused comment in HTMLImageElement, its hspace/vspace
attributes should also be unsigned long, noticed now because of the same
attributes on HTMLObjectElement.

There are no changes to the generated code other than order.

BUG=460722

Review URL: https://codereview.chromium.org/1028633005

git-svn-id: svn://svn.chromium.org/blink/trunk@192321 bbb929c8-8fbe-4397-9dbb-9b2b20218538
12 files changed
tree: 681abec3c2b1e7354f6959ba4204a4699a2532af
  1. third_party/