[SVG] Handle repeat(n) event for svg animations

Handled repeat(n) event for svg animations according to http://www.w3.org/TR/SMIL3/smil-timing.html#q135

R=pdr@chromium.org, schenney@chromium.org, dschulze@chromium.org, fmalita@chromium.org
BUG=269724

Review URL: https://chromiumcodereview.appspot.com/23823006

git-svn-id: svn://svn.chromium.org/blink/trunk@157624 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Enable left side scrollbars on Chromium Android.

Plumb through the isLeftSideVerticalScrollbar property
to the solid color scrollbar constructor.  RTL scrollbars
will now be drawn properly on Android.

BUG=None

Review URL: https://chromiumcodereview.appspot.com/23842007

git-svn-id: svn://svn.chromium.org/blink/trunk@157625 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Delete temporary code that was part of a multi-sided patch.

TBR=jamesr@chromium.org

Review URL: https://codereview.chromium.org/23880008

git-svn-id: svn://svn.chromium.org/blink/trunk@157626 bbb929c8-8fbe-4397-9dbb-9b2b20218538