Remove some NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED from c/b/extensions Part2

chrome/browser/extensions/api/log_private/log_private_api_chromeos.cc

Index: chrome/browser/extensions/api/log_private/log_private_api_chromeos.cc
diff --git a/chrome/browser/extensions/api/log_private/log_private_api_chromeos.cc b/chrome/browser/extensions/api/log_private/log_private_api_chromeos.cc
index bd3d2a17aa7dc2bf92d7d92b6d44d812a52ecb2e..d8a09fa87eefed8768df6c9515400d32b2e25cbe 100644
--- a/chrome/browser/extensions/api/log_private/log_private_api_chromeos.cc
+++ b/chrome/browser/extensions/api/log_private/log_private_api_chromeos.cc
@@ -13,7 +13,6 @@
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/api/log_private/filter_handler.h"
 #include "chrome/browser/extensions/api/log_private/log_parser.h"
 #include "chrome/browser/extensions/api/log_private/syslog_parser.h"
@@ -22,10 +21,9 @@
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/api/log_private.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_source.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_function.h"
+#include "extensions/browser/extension_registry.h"
 
 using content::BrowserThread;
 
@@ -71,11 +69,10 @@ LogPrivateAPI* LogPrivateAPI::Get(content::BrowserContext* context) {
 }
 
 LogPrivateAPI::LogPrivateAPI(content::BrowserContext* context)
-    : profile_(Profile::FromBrowserContext(context)),
-      logging_net_internals_(false) {
-  registrar_.Add(this,
-                 chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED,
-                 content::Source<Profile>(profile_));
+    : browser_context_(context),
+      logging_net_internals_(false),
+      extension_registry_observer_(this) {
+  extension_registry_observer_.Add(ExtensionRegistry::Get(browser_context_));
 }
 
 LogPrivateAPI::~LogPrivateAPI() {
@@ -100,7 +97,7 @@ static base::LazyInstance<BrowserContextKeyedAPIFactory<LogPrivateAPI> >
 // static
 BrowserContextKeyedAPIFactory<LogPrivateAPI>*
 LogPrivateAPI::GetFactoryInstance() {
-  return &g_factory.Get();
+  return g_factory.Pointer();
 }
 
 void LogPrivateAPI::OnAddEntry(const net::NetLog::Entry& entry) {
@@ -133,7 +130,8 @@ void LogPrivateAPI::AddEntriesOnUI(scoped_ptr<base::ListValue> value) {
     event_args->Append(value->DeepCopy());
     scoped_ptr<Event> event(new Event(events::kOnAddNetInternalsEntries,
                                       event_args.Pass()));
-    EventRouter::Get(profile_)->DispatchEventToExtension(*ix, event.Pass());
+    EventRouter::Get(browser_context_)
+        ->DispatchEventToExtension(*ix, event.Pass());
   }
 }
 
@@ -163,14 +161,11 @@ void LogPrivateAPI::StopNetInternalLogging() {
   }
 }
 
-void LogPrivateAPI::Observe(int type,
-                            const content::NotificationSource& source,
-                            const content::NotificationDetails& details) {
-  if (type == chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED) {
-    const Extension* extension =
-        content::Details<const UnloadedExtensionInfo>(details)->extension;
-    StopNetInternalsWatch(extension->id());
-  }
+void LogPrivateAPI::OnExtensionUnloaded(
+    content::BrowserContext* browser_context,
+    const Extension* extension,
+    UnloadedExtensionInfo::Reason reason) {
+  StopNetInternalsWatch(extension->id());
 }
 
 LogPrivateGetHistoricalFunction::LogPrivateGetHistoricalFunction() {