Eliminate DownloadProgressUpdated.

Eliminate DownloadProgressUpdated.

content::DownloadManagerDelegate::DownloadProgressUpdated was called out of sync with the content::DownloadItem::Observer calls. Eliminate it, as the notification that it provides is anti-useful.

BUG=112841
TEST=as in bug

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=121031

Reverted: https://src.chromium.org/viewvc/chrome?view=rev&revision=121041

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=121134

[Randy Smith (Not in Mondays), 2012-02-08 18:49:12]

L(V)GTM.  Thanks very much for doing this--sorry to break things, but the
system's a bit cleaner for this fix.

[Randy Smith (Not in Mondays), 2012-02-08 18:49:28]

On 2012/02/08 18:49:12, rdsmith wrote:
> L(V)GTM.  Thanks very much for doing this--sorry to break things, but the
> system's a bit cleaner for this fix.

I was afraid that the regexp matcher wouldn't catch that one :-}.  LGTM.

[commit-bot: I haz the power, 2012-02-08 18:53:07]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/avi@chromium.org/9363001/1

[commit-bot: I haz the power, 2012-02-08 19:25:10]

Try job failure for 9363001-1 (retry) on win_rel for step "compile" (clobber
build).
It's a second try, previously, step "compile" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...

[Avi (use Gerrit), 2012-02-08 21:43:53]

Now it passes the tests.

[Randy Smith (Not in Mondays), 2012-02-08 21:45:49]

Nice hack; I'll remember it.  LGTM.

[commit-bot: I haz the power, 2012-02-08 21:46:52]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/avi@chromium.org/9363001/6003

[commit-bot: I haz the power, 2012-02-09 01:45:41]

Change committed as 121134