Rename "webkit" to "blink" in style check code.

As now we use blink instead of webkit, this CL rename
check_webkit_style* to check_blink_style*.

Change-Id: I340719a4c80cbc1dc4934fbdc4fa40b56347d8f8
Reviewed-on: https://chromium-review.googlesource.com/c/1482274
Reviewed-by: Kent Tamura <tkent@chromium.org>
Commit-Queue: Zhuoyu Qian <zhuoyu.qian@samsung.com>
Cr-Commit-Position: refs/heads/master@{#634561}
3 files changed