Provide configurable closing of web contents modal dialogs on interstitial webui

Provide configurable closing of web contents modal dialogs on interstitial webui 
Allow individual web contents modal dialog users to specify that dialogs
should be closed when encountering interstitial webui (e.g. due to
SSL warnings).

Future CLs will enable use of this functionality for most dialogs. 

BUG=240575
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=221575

[Mike Wittman, 2013-09-05 01:36:28]

Hi Scott, can you do a committer review?

This CL depends on https://codereview.chromium.org/23475022 for its test
refactoring.

[sky, 2013-09-05 16:19:19]

LGTM

https://codereview.chromium.org/23981002/diff/1/components/web_modal/web_cont...
File components/web_modal/web_contents_modal_dialog_manager_unittest.cc (right):

https://codereview.chromium.org/23981002/diff/1/components/web_modal/web_cont...
components/web_modal/web_contents_modal_dialog_manager_unittest.cc:235:
TEST_F(WebContentsModalDialogManagerTest, InterstitialWebUI) {
Add description.

[Mike Wittman, 2013-09-05 20:22:19]

https://codereview.chromium.org/23981002/diff/1/components/web_modal/web_cont...
File components/web_modal/web_contents_modal_dialog_manager_unittest.cc (right):

https://codereview.chromium.org/23981002/diff/1/components/web_modal/web_cont...
components/web_modal/web_contents_modal_dialog_manager_unittest.cc:235:
TEST_F(WebContentsModalDialogManagerTest, InterstitialWebUI) {
On 2013/09/05 16:19:19, sky wrote:
> Add description.

Done.

[commit-bot: I haz the power, 2013-09-05 23:26:33]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/wittman@chromium.org/23981002/6001

[commit-bot: I haz the power, 2013-09-06 05:18:01]

Change committed as 221575