Omnibox: Only strip first www and nothing else.

This CL makes two changes:
 1. Removes stripping "m." on Android.
 2. Only strips the very first "www.", not any further ones.

Bug: 881694
Change-Id: I60c3b3fe274d72a1317cc2f5bbca8a63ba3ffd7e
Reviewed-on: https://chromium-review.googlesource.com/1218043
Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Reviewed-by: Justin Donnelly <jdonnelly@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#590717}(cherry picked from commit b0da94c0b467fd881527f216b1511d6c1cdeaf10)
Reviewed-on: https://chromium-review.googlesource.com/1225852
Reviewed-by: Tommy Li <tommycli@chromium.org>
Cr-Commit-Position: refs/branch-heads/3538@{#386}
Cr-Branched-From: 79f7c91a2b2a2932cd447fa6f865cb6662fa8fa6-refs/heads/master@{#587811}
4 files changed