Remove NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED from c/b/e/api

chrome/browser/extensions/api/streams_private/streams_private_api.cc

 // 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.
 
 #include "chrome/browser/extensions/api/streams_private/streams_private_api.h"
 
-#include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
-#include "base/stl_util.h"
-#include "base/strings/string_number_conversions.h"
 #include "base/values.h"
-#include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
-#include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/api/streams_private.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_source.h"
 #include "content/public/browser/stream_handle.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_function_registry.h"
+#include "extensions/browser/extension_registry.h"
 #include "net/http/http_response_headers.h"
 
 namespace {
 
 void CreateResponseHeadersDictionary(const net::HttpResponseHeaders* headers,
                                      base::DictionaryValue* result) {
   if (!headers)
     return;
 
   void* iter = NULL;
@@ skipping 16 matching lines @@
 namespace extensions {
 
 namespace streams_private = api::streams_private;
 
 // static
 StreamsPrivateAPI* StreamsPrivateAPI::Get(content::BrowserContext* context) {
   return GetFactoryInstance()->Get(context);
 }
 
 StreamsPrivateAPI::StreamsPrivateAPI(content::BrowserContext* context)
-    : profile_(Profile::FromBrowserContext(context)), weak_ptr_factory_(this) {
-  registrar_.Add(this,
-                 chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED,
-                 content::Source<Profile>(profile_));
+    : browser_context_(context),
+      weak_ptr_factory_(this),
+      extension_registry_observer_(this) {
+  extension_registry_observer_.Add(ExtensionRegistry::Get(browser_context_));
 }
 
 StreamsPrivateAPI::~StreamsPrivateAPI() {
 }
 
 void StreamsPrivateAPI::ExecuteMimeTypeHandler(
     const std::string& extension_id,
     const content::WebContents* web_contents,
     scoped_ptr<content::StreamHandle> stream,
     int64 expected_content_size) {
   // Create the event's arguments value.
   streams_private::StreamInfo info;
   info.mime_type = stream->GetMimeType();
   info.original_url = stream->GetOriginalURL().spec();
   info.stream_url = stream->GetURL().spec();
   info.tab_id = ExtensionTabUtil::GetTabId(web_contents);
 
   int size = -1;
   if (expected_content_size <= INT_MAX)
     size = expected_content_size;
   info.expected_content_size = size;
 
   CreateResponseHeadersDictionary(stream->GetResponseHeaders().get(),
                                   &info.response_headers.additional_properties);
 
   scoped_ptr<Event> event(
       new Event(streams_private::OnExecuteMimeTypeHandler::kEventName,
                 streams_private::OnExecuteMimeTypeHandler::Create(info)));
 
-  EventRouter::Get(profile_)->DispatchEventToExtension(
-      extension_id, event.Pass());
+  EventRouter::Get(browser_context_)
+      ->DispatchEventToExtension(extension_id, event.Pass());
 
   GURL url = stream->GetURL();
   streams_[extension_id][url] = make_linked_ptr(stream.release());
 }
 
+void StreamsPrivateAPI::OnExtensionUnloaded(
+    content::BrowserContext* browser_context,
+    const Extension* extension,
+    UnloadedExtensionInfo::Reason reason) {
+  streams_.erase(extension->id());
+}
+
 static base::LazyInstance<BrowserContextKeyedAPIFactory<StreamsPrivateAPI> >
     g_factory = LAZY_INSTANCE_INITIALIZER;
 
 // static
 BrowserContextKeyedAPIFactory<StreamsPrivateAPI>*
 StreamsPrivateAPI::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
-void StreamsPrivateAPI::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;
-    streams_.erase(extension->id());
-  }
-}
 }  // namespace extensions