Enable “InputPaneOnScreenKeyboard” flag

Since we have submitted a fix for the crash of using
"OnScreenKeyboardDisplayManagerInputPane" for virtual keyboard on
higher version of Windows 10, we should enable
“InputPaneOnScreenKeyboard” flag.

Bug: 852386, 497381
Change-Id: Ideb1aa831d7d433df80838b652d71b6b839388b8
Reviewed-on: https://chromium-review.googlesource.com/c/1410173
Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Lan Wei <lanwei@chromium.org>
Cr-Commit-Position: refs/heads/master@{#623531}
1 file changed