[Extensions] Move remaining notifications out of ExtensionSettingsHandler

chrome/browser/extensions/warning_badge_service.h

Index: chrome/browser/extensions/warning_badge_service.h
diff --git a/chrome/browser/extensions/warning_badge_service.h b/chrome/browser/extensions/warning_badge_service.h
index ebd075c3f264fca4261679e6fa5b1271caeb328d..691e9fd551aa18cdcc8609df3ec6daa889b10e74 100644
--- a/chrome/browser/extensions/warning_badge_service.h
+++ b/chrome/browser/extensions/warning_badge_service.h
@@ -36,7 +36,8 @@ class WarningBadgeService : public KeyedService,
 
  private:
   // Implementation of WarningService::Observer.
-  void ExtensionWarningsChanged() override;
+  void ExtensionWarningsChanged(
+      const std::set<std::string>& affected_extensions) override;
 
   void UpdateBadgeStatus();
   virtual void ShowBadge(bool show);