app_shell: Allow window to load a normal URL

app_shell: Allow window to load a normal URL

For testing purposes, allow shell.createWindow() to load a non-extension
URL.

BUG=none
TEST=none

Committed: https://crrev.com/0692b620049f9ef8fa1ee9f0cac271de1bdfdc77
Cr-Commit-Position: refs/heads/master@{#291736}

[James Cook, 2014-08-25 17:56:04]

jamescook@chromium.org changed reviewers:
+ derat@chromium.org

[James Cook, 2014-08-25 17:56:04]

Dan, PTAL. I need to do something like this for testing. Eventually <webview>
will replace this.

If you'd prefer I could wire in a new switch, something like
--app-shell-load-url, but this is a little easier.

[Daniel Erat, 2014-08-25 18:21:08]

lgtm

this seems fine to me.

[James Cook, 2014-08-25 18:22:37]

The CQ bit was checked by jamescook@chromium.org

[commit-bot: I haz the power, 2014-08-25 18:23:17]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/jamescook@chromium.org/487533006/1

[commit-bot: I haz the power, 2014-08-25 19:18:43]

Committed patchset #1 (1) as c34009e6a091cd1b2b62772ddec3a783ea48d55f

[commit-bot: I haz the power, 2014-09-10 02:36:41]

Patchset 1 (id:??) landed as
https://crrev.com/0692b620049f9ef8fa1ee9f0cac271de1bdfdc77
Cr-Commit-Position: refs/heads/master@{#291736}