Change ContentSettingsType's scoping type and hookup migration code

components/content_settings/core/browser/host_content_settings_map.cc

Index: components/content_settings/core/browser/host_content_settings_map.cc
diff --git a/components/content_settings/core/browser/host_content_settings_map.cc b/components/content_settings/core/browser/host_content_settings_map.cc
index 4d100487bd88b7e5dd796cc94cbf4a4de8e42451..9695f3f4b9993c611ed2898176ca2054f8bcdebb 100644
--- a/components/content_settings/core/browser/host_content_settings_map.cc
+++ b/components/content_settings/core/browser/host_content_settings_map.cc
@@ -136,11 +136,7 @@ content_settings::PatternPair GetPatternsFromScopingType(
   content_settings::PatternPair patterns;
 
   switch (scoping_type) {
-    case WebsiteSettingsInfo::TOP_LEVEL_DOMAIN_ONLY_SCOPE:
-    case WebsiteSettingsInfo::REQUESTING_DOMAIN_ONLY_SCOPE:
-      patterns.first = ContentSettingsPattern::FromURL(primary_url);
-      patterns.second = ContentSettingsPattern::Wildcard();
-      break;
+    case WebsiteSettingsInfo::TOP_LEVEL_ORIGIN_ONLY_SCOPE:
     case WebsiteSettingsInfo::REQUESTING_ORIGIN_ONLY_SCOPE:
       patterns.first = ContentSettingsPattern::FromURLNoWildcard(primary_url);
       patterns.second = ContentSettingsPattern::Wildcard();
@@ -165,7 +161,8 @@ HostContentSettingsMap::HostContentSettingsMap(PrefService* prefs,
       used_from_thread_id_(base::PlatformThread::CurrentId()),
 #endif
       prefs_(prefs),
-      is_off_the_record_(is_incognito_profile || is_guest_profile) {
+      is_off_the_record_(is_incognito_profile || is_guest_profile),
+      weak_ptr_factory_(this) {
   DCHECK(!(is_incognito_profile && is_guest_profile));
 
   content_settings::PolicyProvider* policy_provider =
@@ -190,7 +187,7 @@ HostContentSettingsMap::HostContentSettingsMap(PrefService* prefs,
   content_settings_providers_[DEFAULT_PROVIDER] = default_provider;
 
   MigrateKeygenSettings();
-
+  MigrateDomainScopedSettings(false);

[raymes, 2016/07/21 01:13:57]

false /* after_sync */

[lshang, 2016/07/22 02:58:38]

Done.

   RecordNumberOfExceptions();
 }
 
@@ -600,6 +597,10 @@ void HostContentSettingsMap::MigrateDomainScopedSettings(bool after_sync) {
   }
 }
 
+base::WeakPtr<HostContentSettingsMap> HostContentSettingsMap::GetWeakPtr() {
+  return weak_ptr_factory_.GetWeakPtr();
+}
+
 void HostContentSettingsMap::RecordNumberOfExceptions() {
   for (const content_settings::WebsiteSettingsInfo* info :
        *content_settings::WebsiteSettingsRegistry::GetInstance()) {