Experimental: Fix HasWrongProcessForURL in --site-per-process mode.

Experimental: Fix HasWrongProcessForURL in --site-per-process mode.

The experimental --site-per-process and --enable-strict-site-isolation modes
disable reuse of renderer processes to improve security. The previous approach
of making IsSuitableHost return false was breaking HasWrongProcessForURL,
so we now return false in ShouldTryToReuseExistingProcessHost instead.

BUG=160671
TEST=none


Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=170821

[Charlie Reis, 2012-11-30 19:31:30]

Robert, I think this should fix the issues you were seeing.  Does it look right
to you?

[irobert, 2012-11-30 20:29:44]

On 2012/11/30 19:31:30, creis wrote:
> Robert, I think this should fix the issues you were seeing.  Does it look
right
> to you?

LGTM

[Charlie Reis, 2012-11-30 20:33:05]

Darin, can you review?  Our previous experimental approach had problems that
this resolves.

Thanks!
Charlie

[darin (slow to review), 2012-12-03 17:59:31]

LGTM

[commit-bot: I haz the power, 2012-12-03 18:57:05]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/creis@chromium.org/11421179/1

[commit-bot: I haz the power, 2012-12-03 22:09:04]

Change committed as 170821