Remove usage of FOR_EACH_OBSERVER macro in components/

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 0e3f49fea1bfc19b6cd54567d3fd05b1ff4d790f..7f82156ec5980c25f64544aa9d364aa762964704 100644
--- a/components/content_settings/core/browser/host_content_settings_map.cc
+++ b/components/content_settings/core/browser/host_content_settings_map.cc
@@ -803,12 +803,10 @@ void HostContentSettingsMap::OnContentSettingChanged(
     const ContentSettingsPattern& secondary_pattern,
     ContentSettingsType content_type,
     std::string resource_identifier) {
-  FOR_EACH_OBSERVER(content_settings::Observer,
-                    observers_,
-                    OnContentSettingChanged(primary_pattern,
-                                            secondary_pattern,
-                                            content_type,
-                                            resource_identifier));
+  for (content_settings::Observer& observer : observers_) {
+    observer.OnContentSettingChanged(primary_pattern, secondary_pattern,
+                                     content_type, resource_identifier);
+  }
 }
 
 HostContentSettingsMap::~HostContentSettingsMap() {