Remove some left-over code from legacy animations engine

BUG=334225

Review URL: https://codereview.chromium.org/165553002

git-svn-id: svn://svn.chromium.org/blink/trunk@167165 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Web Animations API: Bindings for TimedItem.specified with readonly attributes

This CL exposes TimedItem.specified (experimental), and getters for each of its attributes.

Follow up patch will add setters.

Follow up patch will refactor support for duration if it is possible to define an attribute with a union type in the current WebIDL implementation.

NOTRY=true
BUG=334927,257235

Review URL: https://codereview.chromium.org/152853003

git-svn-id: svn://svn.chromium.org/blink/trunk@167166 bbb929c8-8fbe-4397-9dbb-9b2b20218538
[SVG] SVGAnimatedInteger{,OptionalInteger} migration to new SVG property impl.

This CL replaces SVGAnimatedInteger{,OptionalInteger} with NewSVGProperty based implementation.

For details, see design doc: https://docs.google.com/document/d/1bg7CUyUszqdwmENY3JX6_PoQD6uHRCNcRPJMlC4qlkw/edit?usp=sharing

BUG=308818

Review URL: https://codereview.chromium.org/153603002

git-svn-id: svn://svn.chromium.org/blink/trunk@167167 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Change the default appearance of date/time input types on Android.

This CL changes it to -webkit-appearance:menulist, which is same as SELECT, from
-webkit-appearance:menulist-button, which draws bezeled border and an arrow.

BUG=343833
TEST=automated

Review URL: https://codereview.chromium.org/163613007

git-svn-id: svn://svn.chromium.org/blink/trunk@167168 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Fix editor after r167025

R=lushnikov, pfeldman

Review URL: https://codereview.chromium.org/163303002

git-svn-id: svn://svn.chromium.org/blink/trunk@167170 bbb929c8-8fbe-4397-9dbb-9b2b20218538