Remove NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED from c/b/e/api

chrome/browser/extensions/api/signed_in_devices/signed_in_devices_manager.cc

Index: chrome/browser/extensions/api/signed_in_devices/signed_in_devices_manager.cc
diff --git a/chrome/browser/extensions/api/signed_in_devices/signed_in_devices_manager.cc b/chrome/browser/extensions/api/signed_in_devices/signed_in_devices_manager.cc
index a7da638f9bec07262252b2345fcf6c1bc1603dd5..30c0ede9cfbb70b59e76a5c6baf3a5c1850d4fdb 100644
--- a/chrome/browser/extensions/api/signed_in_devices/signed_in_devices_manager.cc
+++ b/chrome/browser/extensions/api/signed_in_devices/signed_in_devices_manager.cc
@@ -12,7 +12,6 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/values.h"
-#include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/api/signed_in_devices/signed_in_devices_api.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
@@ -20,12 +19,8 @@
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/common/extensions/api/signed_in_devices.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/notification_source.h"
 #include "extensions/browser/event_router.h"
+#include "extensions/browser/extension_registry.h"
 #include "extensions/common/extension.h"
 
 using browser_sync::DeviceInfo;
@@ -102,10 +97,12 @@ SignedInDevicesManager::GetFactoryInstance() {
 }
 
 SignedInDevicesManager::SignedInDevicesManager()
-    : profile_(NULL) {}
+    : profile_(NULL), extension_registry_observer_(this) {
+}
 
 SignedInDevicesManager::SignedInDevicesManager(content::BrowserContext* context)
-    : profile_(Profile::FromBrowserContext(context)) {
+    : profile_(Profile::FromBrowserContext(context)),
+      extension_registry_observer_(this) {
   extensions::EventRouter* router = extensions::EventRouter::Get(profile_);
   if (router) {
     router->RegisterObserver(
@@ -114,8 +111,7 @@ SignedInDevicesManager::SignedInDevicesManager(content::BrowserContext* context)
 
   // Register for unload event so we could clear all our listeners when
   // extensions have unloaded.
-  registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED,
-                 content::Source<Profile>(profile_->GetOriginalProfile()));
+  extension_registry_observer_.Add(ExtensionRegistry::Get(profile_));
 }
 
 SignedInDevicesManager::~SignedInDevicesManager() {}
@@ -142,7 +138,6 @@ void SignedInDevicesManager::OnListenerRemoved(
   RemoveChangeObserverForExtension(details.extension_id);
 }
 
-
 void SignedInDevicesManager::RemoveChangeObserverForExtension(
     const std::string& extension_id) {
   for (ScopedVector<SignedInDevicesChangeObserver>::iterator it =
@@ -156,14 +151,11 @@ void SignedInDevicesManager::RemoveChangeObserverForExtension(
   }
 }
 
-void SignedInDevicesManager::Observe(
-    int type,
-    const content::NotificationSource& source,
-    const content::NotificationDetails& details) {
-  DCHECK_EQ(type, chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED);
-  UnloadedExtensionInfo* reason =
-      content::Details<UnloadedExtensionInfo>(details).ptr();
-  RemoveChangeObserverForExtension(reason->extension->id());
+void SignedInDevicesManager::OnExtensionUnloaded(
+    content::BrowserContext* browser_context,
+    const Extension* extension,
+    UnloadedExtensionInfo::Reason reason) {
+  RemoveChangeObserverForExtension(extension->id());
 }
 
 }  // namespace extensions