Add migration code to change existing domain scoped content settings to be origin scoped

components/content_settings/core/browser/website_settings_registry_unittest.cc

Index: components/content_settings/core/browser/website_settings_registry_unittest.cc
diff --git a/components/content_settings/core/browser/website_settings_registry_unittest.cc b/components/content_settings/core/browser/website_settings_registry_unittest.cc
index 223d810774f0e6c74bb98a1c987312750439a8c7..5e3630c0a84f4fdb7104f1a6dedfd1e6ffe9d708 100644
--- a/components/content_settings/core/browser/website_settings_registry_unittest.cc
+++ b/components/content_settings/core/browser/website_settings_registry_unittest.cc
@@ -50,7 +50,7 @@ TEST_F(WebsiteSettingsRegistryTest, GetByName) {
   registry()->Register(static_cast<ContentSettingsType>(10), "test", nullptr,
                        WebsiteSettingsInfo::UNSYNCABLE,
                        WebsiteSettingsInfo::LOSSY,
-                       WebsiteSettingsInfo::TOP_LEVEL_DOMAIN_ONLY_SCOPE,
+                       WebsiteSettingsInfo::TOP_LEVEL_ORIGIN_ONLY_SCOPE,
                        WebsiteSettingsRegistry::ALL_PLATFORMS,
                        WebsiteSettingsInfo::INHERIT_IN_INCOGNITO);
   info = registry()->GetByName("test");
@@ -91,7 +91,7 @@ TEST_F(WebsiteSettingsRegistryTest, Properties) {
                        base::WrapUnique(new base::FundamentalValue(999)),
                        WebsiteSettingsInfo::SYNCABLE,
                        WebsiteSettingsInfo::LOSSY,
-                       WebsiteSettingsInfo::TOP_LEVEL_DOMAIN_ONLY_SCOPE,
+                       WebsiteSettingsInfo::TOP_LEVEL_ORIGIN_ONLY_SCOPE,
                        WebsiteSettingsRegistry::ALL_PLATFORMS,
                        WebsiteSettingsInfo::INHERIT_IN_INCOGNITO);
   info = registry()->Get(static_cast<ContentSettingsType>(10));
@@ -109,7 +109,7 @@ TEST_F(WebsiteSettingsRegistryTest, Properties) {
                 user_prefs::PrefRegistrySyncable::SYNCABLE_PREF,
             info->GetPrefRegistrationFlags());
 #endif
-  EXPECT_EQ(WebsiteSettingsInfo::TOP_LEVEL_DOMAIN_ONLY_SCOPE,
+  EXPECT_EQ(WebsiteSettingsInfo::TOP_LEVEL_ORIGIN_ONLY_SCOPE,
             info->scoping_type());
   EXPECT_EQ(WebsiteSettingsInfo::INHERIT_IN_INCOGNITO,
             info->incognito_behavior());
@@ -120,7 +120,7 @@ TEST_F(WebsiteSettingsRegistryTest, Iteration) {
                        base::WrapUnique(new base::FundamentalValue(999)),
                        WebsiteSettingsInfo::SYNCABLE,
                        WebsiteSettingsInfo::LOSSY,
-                       WebsiteSettingsInfo::TOP_LEVEL_DOMAIN_ONLY_SCOPE,
+                       WebsiteSettingsInfo::TOP_LEVEL_ORIGIN_ONLY_SCOPE,
                        WebsiteSettingsRegistry::ALL_PLATFORMS,
                        WebsiteSettingsInfo::INHERIT_IN_INCOGNITO);