Use GURLs instead of patterns in SetContentSetting() in geolocation and push_messaging

Change SetContentSetting() to use SetContentSettingDefaultScope()
which takes GURLs instead of patterns as parameters.

BUG=551747

Review URL: https://codereview.chromium.org/1690043004

Cr-Commit-Position: refs/heads/master@{#380037}
4 files changed