[Extensions] Move remaining notifications out of ExtensionSettingsHandler

extensions/browser/warning_service.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef EXTENSIONS_BROWSER_WARNING_SERVICE_H_
 #define EXTENSIONS_BROWSER_WARNING_SERVICE_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 20 matching lines @@
 // Manages a set of warnings caused by extensions. These warnings (e.g.
 // conflicting modifications of network requests by extensions, slow extensions,
 // etc.) trigger a warning badge in the UI and and provide means to resolve
 // them. This class must be used on the UI thread only.
 class WarningService : public KeyedService,
                        public ExtensionRegistryObserver,
                        public base::NonThreadSafe {
  public:
   class Observer {
    public:
-    virtual void ExtensionWarningsChanged() = 0;
+    virtual void ExtensionWarningsChanged(
+        const ExtensionIdSet& affected_extensions) = 0;
   };
 
   // |browser_context| may be NULL for testing. In this case, be sure to not
   // insert any warnings.
   explicit WarningService(content::BrowserContext* browser_context);
   ~WarningService() override;
 
   // Get the instance of the WarningService for |browser_context|.
   // Redirected in incognito.
   static WarningService* Get(content::BrowserContext* browser_context);
@@ skipping 16 matching lines @@
   void AddWarnings(const WarningSet& warnings);
 
   // Notifies the WarningService of browser_context |browser_context_id| that
   // new |warnings| occurred and triggers a warning badge.
   static void NotifyWarningsOnUI(void* profile_id, const WarningSet& warnings);
 
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
  private:
-  void NotifyWarningsChanged();
+  void NotifyWarningsChanged(const ExtensionIdSet& affected_extensions);
 
   // ExtensionRegistryObserver implementation.
   void OnExtensionUnloaded(content::BrowserContext* browser_context,
                            const Extension* extension,
                            UnloadedExtensionInfo::Reason reason) override;
 
   // Currently existing warnings.
   WarningSet warnings_;
 
   content::BrowserContext* const browser_context_;
 
   // Listen to extension unloaded notifications.
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;
 
   ObserverList<Observer> observer_list_;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_WARNING_SERVICE_H_