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)