Don't bubble scrolls across boundary when scrolling to anchor

Don't bubble scrolls across boundary when scrolling to anchor

Takes the same approach as FrameLoader to ensure that we don't
bubble scrolls incorrectly.

BUG=415141
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=182954

[Ian Vollick, 2014-09-26 20:57:28]

vollick@chromium.org changed reviewers:
+ esprehn@chromium.org

[Ian Vollick, 2014-09-26 20:59:16]

This is how I feel about this patch: http://i.imgur.com/DdnLHhA.gif

[Ian Vollick, 2014-09-30 10:48:22]

On 2014/09/26 20:59:16, vollick wrote:
> This is how I feel about this patch: http://i.imgur.com/DdnLHhA.gif

Ping. Elliott, can you please take a look at this fix for a release blocker,
please?

[Ian Vollick, 2014-09-30 10:49:19]

On 2014/09/30 10:48:22, vollick wrote:
> On 2014/09/26 20:59:16, vollick wrote:
> > This is how I feel about this patch: http://i.imgur.com/DdnLHhA.gif
> 
> Ping. Elliott, can you please take a look at this fix for a release blocker,
> please?

Sigh. Grammar is tough. :)

[esprehn, 2014-09-30 15:14:17]

lgtm

[Ian Vollick, 2014-09-30 15:15:33]

lgtm

[Ian Vollick, 2014-09-30 17:28:24]

lgtm

[Ian Vollick, 2014-09-30 17:28:27]

The CQ bit was checked by vollick@chromium.org

[commit-bot: I haz the power, 2014-09-30 17:29:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/606023003/20001

[commit-bot: I haz the power, 2014-09-30 18:13:04]

Committed patchset #2 (id:20001) as 182954