Coverting std::String() to ResourceIdentifier() in content_settings.

components/content_settings/core/browser/content_settings_default_provider.cc

Index: components/content_settings/core/browser/content_settings_default_provider.cc
diff --git a/components/content_settings/core/browser/content_settings_default_provider.cc b/components/content_settings/core/browser/content_settings_default_provider.cc
index 07adc4d80961f04f9ca7cdc752e4cb87db3d2c31..704e2fd76b9d9ebb6634875124d4639172631fb7 100644
--- a/components/content_settings/core/browser/content_settings_default_provider.cc
+++ b/components/content_settings/core/browser/content_settings_default_provider.cc
@@ -267,7 +267,7 @@ bool DefaultProvider::SetWebsiteSetting(
   NotifyObservers(ContentSettingsPattern(),
                   ContentSettingsPattern(),
                   content_type,
-                  std::string());
+                  ResourceIdentifier());
 
   return true;
 }
@@ -423,7 +423,7 @@ void DefaultProvider::OnPreferenceChanged(const std::string& name) {
     NotifyObservers(ContentSettingsPattern(),
                     ContentSettingsPattern(),
                     content_type,
-                    std::string());
+                    ResourceIdentifier());
   }
 }