Move Some Functions of EditingUtilities to EditingCommandsUtilities.

Functions IsInline() and DeletionInputTypeFromTextGranularity() are
used by editing commands only. Move them to
EditingCommandsUtilities.{cpp,h} for better code structure.

Bug: 802922

Signed-off-by: Zhuoyu Qian <zhuoyu.qian@samsung.com>
Change-Id: Ic9901e53d21d45ad74f2652b365efa68f5de9d92
Reviewed-on: https://chromium-review.googlesource.com/939209
Reviewed-by: Xiaocheng Hu <xiaochengh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#539673}
5 files changed