Moved -webkit-print-color-adjust property to be generated.

Moved -webkit-print-color-adjust property to be generated, so now the
getter/setter methods for print-color-adjust are generated. This means that
getPrintColorAdjust() has been renamed to printColorAdjust(). Also renamed
PrintColorAdjust enum to EPrintColorAdjust for consistency with other
generated enums.

BUG=628043
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Review-Url: https://codereview.chromium.org/2570463002
Cr-Commit-Position: refs/heads/master@{#438723}
7 files changed