Double-clicking whitespace after value text should select the last word in INPUT/TEXTAREA.
Re-ordering an internal placeholder element and innerEditor element fixes
this issue.
BUG=
560649
TEST=automated
Committed:
https://crrev.com/283fc78866474faf6b53203f2ba685ed0c33bef4
Cr-Commit-Position: refs/heads/master@{#361534}