Revert of Update of change event for datetime input type (https://codereview.chromium.org/128153002/)

Reason for revert:
INPUT element dispatches extra events.


Original issue's description:
> Update of change event for datetime input type
> 
> BaseMultipleFieldDateAndTime includes changes for sending change event when popup is closed, keyboard event and mouse event.
> 
> BaseChoosedOnlyDateAndTime includes changes for sending change event when popup is closed. Special case for input type datetime-local.
> 
> R=tkent
> BUG=155747
> TEST=Fixes currently broken test in bug331189
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=165455

TBR=keishi@chromium.org,habib.virji@samsung.com
NOTREECHECKS=true
NOTRY=true
BUG=155747

Review URL: https://codereview.chromium.org/159893007

git-svn-id: svn://svn.chromium.org/blink/trunk@166970 bbb929c8-8fbe-4397-9dbb-9b2b20218538