Enable Super Dev Mode hook by default

Set devModeRedirectEnabled to true by default in CrossSiteIframeLinker, and
as a security measure also default devModeUrlWhitelistRegexp to only allow
localhost and 127.0.0.1 on HTTP.

Bug: issue 8413
Change-Id: I9b27419ab69d4f82258429a5d5f258047d33e5ee
(cherry picked from commit 1255ea46fca8751e9907af60bbc7ad174c42f96a)
2 files changed