Reland r246120 "Implements the Synced Notifications Welcome Toast."
> Implements the Synced Notifications Welcome Toast.
>
> The first notification for synced notifications will
> now generate a normal notification explaining the new
> service.
>
> This does not yet implement click-to-disable or have
> proper resources.

Relanded version contains a fix for memory test errors.

TBR=oshima@chromium.org
BUG=315248

Review URL: https://codereview.chromium.org/145023004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246497 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 246497
Enable an opaque data field on RST_STREAM frames

SPDY4 only. Chromium will correctly process, but at this time
will not emit RST_STREAM opaque data.

This lands server change 58580214 by mlavan.

Review URL: https://codereview.chromium.org/129773004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246498 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 246498