Revert of Return an accessible value for all HTML input elements. (patchset #2 id:20001 of https://codereview.chromium.org/739753002/)
Revert of Return an accessible value for all HTML input elements. (patchset #2 id:20001 of https://codereview.chromium.org/739753002/)

Reason for revert:
speculative revert likely to have broken android_dbg_tests_recipe bot (in particular
DumpAccessibilityTreeTest.AccessibilityInputColor
DumpAccessibilityTreeTest.AccessibilityInputRange)

http://build.chromium.org/p/tryserver.chromium.linux/builders/android_dbg_tests_recipe/builds/29904

Original issue's description:
> Return an accessible value for all HTML input elements.
> 
> This handles date and time fields, for example, which previously returned
> the empty string because they're not text fields.
> 
> BUG=378799
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=185617

TBR=aboxhall@chromium.org,dmazzoni@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=378799

Review URL: https://codereview.chromium.org/740343002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@185664 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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