customtabs: Respect delayToLaunchUrl even without delayToMayLaunchUrl.

In the Custom Tabs benchmark, in the case where mayLaunchUrl isn't
called, launchUrl shouldn't be called immediately. This change causes
launchUrl to be called after the delay specified by delayToLaunchUrl.

BUG=655980

Review-Url: https://codereview.chromium.org/2742563003
Cr-Original-Commit-Position: refs/heads/master@{#456038}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: afc56429f8182efa5b97cda6ba8bed9999469a46
1 file changed