Permissions: Clear embargo if user changes an embargoed permission's setting.

chrome/browser/permissions/permission_decision_auto_blocker.h

Index: chrome/browser/permissions/permission_decision_auto_blocker.h
diff --git a/chrome/browser/permissions/permission_decision_auto_blocker.h b/chrome/browser/permissions/permission_decision_auto_blocker.h
index c334628dd5188bf22609c2088c7009c9a7dc5d06..6b716d7f1048e21ef438ba102ed9dd1abdc37057 100644
--- a/chrome/browser/permissions/permission_decision_auto_blocker.h
+++ b/chrome/browser/permissions/permission_decision_auto_blocker.h
@@ -92,6 +92,13 @@ class PermissionDecisionAutoBlocker : public KeyedService {
   // Records that an ignore of a prompt for |permission| was made.
   int RecordIgnore(const GURL& url, ContentSettingsType permission);
 
+  // Removes the embargo status for the given URL. For permissions embargoed
+  // under repeated dismissals, this means a prompt will be shown to the user on
+  // next permission request. On blacklisted permissions, the next permission
+  // request will re-embargo the permission only if it is still blacklisted.
+  // This method assumes |permission| is known to be under embargo.
+  void RemoveEmbargoByURL(const GURL& url, ContentSettingsType permission);

[dominickn, 2017/04/03 01:35:30]

Nit: call this RemoveEmbargoByUrl.

"Removes the embargo status for |url|."

[Patti Lor, 2017/04/05 08:34:27]

Done.

+
   // Removes any recorded counts for urls which match |filter|.
   void RemoveCountsByUrl(base::Callback<bool(const GURL& url)> filter);