Device name: Nexus 5

From "Settings > About Chrome"
Application version: 51.0.2704.10
OS: Android 6.0.1; Nexus 5 Build/MOB30D

Steps to reproduce:
(1) Go to any Web page with a text input field.
(2) Type in the text input field.
(3) Try to use the tip described at http://www.androidpolice.com/2014/06/23/quick-tip-press-and-hold-selected-text-in-android-edit-boxes-to-move-it-around/ : "When writing in an editable text box on Android, users can highlight a word or chunk of text, then press and hold to drag it around."

Expected result:
Consistency with Android text selection gestures would be nice.

Actual result:
It's not possible to drag text around in Web pages' input fields. It does work in Chrome's omnibar though.