Cleanup: Remove NOTIFICATION_EXTENSION_UNLOADED usage in MediaScanManager.

extensions/browser/extension_registry.cc

 // Copyright 2013 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.
 
 #include "extensions/browser/extension_registry.h"
 
 #include "base/strings/string_util.h"
 #include "extensions/browser/extension_registry_factory.h"
 #include "extensions/browser/extension_registry_observer.h"
 
 namespace extensions {
 
-ExtensionRegistry::ExtensionRegistry() {}
+ExtensionRegistry::ExtensionRegistry(content::BrowserContext* browser_context)
+    : browser_context_(browser_context) {}
 ExtensionRegistry::~ExtensionRegistry() {}
 
 // static
 ExtensionRegistry* ExtensionRegistry::Get(content::BrowserContext* context) {
   return ExtensionRegistryFactory::GetForBrowserContext(context);
 }
 
 scoped_ptr<ExtensionSet> ExtensionRegistry::GenerateInstalledExtensionsSet()
     const {
   scoped_ptr<ExtensionSet> installed_extensions(new ExtensionSet);
   installed_extensions->InsertAll(enabled_extensions_);
   installed_extensions->InsertAll(disabled_extensions_);
   installed_extensions->InsertAll(terminated_extensions_);
   installed_extensions->InsertAll(blacklisted_extensions_);
   return installed_extensions.Pass();
 }
 
 void ExtensionRegistry::AddObserver(ExtensionRegistryObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void ExtensionRegistry::RemoveObserver(ExtensionRegistryObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
 void ExtensionRegistry::TriggerOnLoaded(const Extension* extension) {
   DCHECK(enabled_extensions_.Contains(extension->id()));
-  FOR_EACH_OBSERVER(
-      ExtensionRegistryObserver, observers_, OnExtensionLoaded(extension));
+  FOR_EACH_OBSERVER(ExtensionRegistryObserver,
+                    observers_,
+                    OnExtensionLoaded(browser_context_, extension));
 }
 
 void ExtensionRegistry::TriggerOnUnloaded(const Extension* extension) {
   DCHECK(!enabled_extensions_.Contains(extension->id()));
-  FOR_EACH_OBSERVER(
-      ExtensionRegistryObserver, observers_, OnExtensionUnloaded(extension));
+  FOR_EACH_OBSERVER(ExtensionRegistryObserver,
+                    observers_,
+                    OnExtensionUnloaded(browser_context_, extension));
 }
 
 const Extension* ExtensionRegistry::GetExtensionById(const std::string& id,
                                                      int include_mask) const {
   std::string lowercase_id = StringToLowerASCII(id);
   if (include_mask & ENABLED) {
     const Extension* extension = enabled_extensions_.GetByID(lowercase_id);
     if (extension)
       return extension;
   }
@@ skipping 62 matching lines @@
     const ExtensionSet::ModificationCallback& callback) {
   disabled_extensions_.set_modification_callback(callback);
 }
 
 void ExtensionRegistry::Shutdown() {
   // Release references to all Extension objects in the sets.
   ClearAll();
 }
 
 }  // namespace extensions