Make splash animations abort on scroll.

Make splash animations abort on scroll.

I also fixed the transform hack in material-element to clean
up after itself.

I also discovered that our namedSetter implementation did not
handle null (it crashed) while doing this.  I fixed that
and tested my fix.

This runs great on a Nexus 5, but poorly on an Nexus 10.

R=abarth@chromium.org
BUG=

Committed: https://chromium.googlesource.com/external/mojo/+/6892cfb3342b7c917efb94991ae34e7e43552f1e

[abarth-chromium, 2015-02-25 01:16:01]

lgtm

[eseidel, 2015-02-25 01:20:22]

Committed patchset #1 (id:1) manually as
6892cfb3342b7c917efb94991ae34e7e43552f1e (presubmit successful).

[abarth-chromium, 2015-02-25 02:10:22]

https://codereview.chromium.org/956753002/diff/1/sky/framework/material-eleme...
File sky/framework/material-element.sky (right):

https://codereview.chromium.org/956753002/diff/1/sky/framework/material-eleme...
sky/framework/material-element.sky:57: for (SkyInkSplash splash in
_activeSplashes) {
It occurs to me that you don't need _activeSplashes.  You can just write:

for (SkyInkSplash splash in shadowRoot.querySelector('sky-ink-splash')) {
  ...
}

https://codereview.chromium.org/956753002/diff/1/sky/framework/material-eleme...
sky/framework/material-element.sky:57: for (SkyInkSplash splash in
_activeSplashes) {
It occurs to me that you don't need _activeSplashes.  You can just write:

for (SkyInkSplash splash in shadowRoot.querySelector('sky-ink-splash')) {
  ...
}