Remove some linked_ptr c/b/extension

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 <limits.h>
 #include <utility>
 
 #include "base/lazy_instance.h"
@@ skipping 117 matching lines @@
 
   std::unique_ptr<Event> event(
       new Event(events::STREAMS_PRIVATE_ON_EXECUTE_MIME_TYPE_HANDLER,
                 streams_private::OnExecuteMimeTypeHandler::kEventName,
                 streams_private::OnExecuteMimeTypeHandler::Create(info)));
 
   EventRouter::Get(browser_context_)
       ->DispatchEventToExtension(extension_id, std::move(event));
 
   GURL url = stream->handle->GetURL();
-  streams_[extension_id][url] = make_linked_ptr(stream->handle.release());
+  streams_[extension_id][url] = std::move(stream->handle);
 }
 
 void StreamsPrivateAPI::AbortStream(const std::string& extension_id,
                                     const GURL& stream_url,
                                     const base::Closure& callback) {
   StreamMap::iterator extension_it = streams_.find(extension_id);
   if (extension_it == streams_.end()) {
     callback.Run();
     return;
   }
@@ skipping 36 matching lines @@
 static base::LazyInstance<BrowserContextKeyedAPIFactory<StreamsPrivateAPI> >
     g_factory = LAZY_INSTANCE_INITIALIZER;
 
 // static
 BrowserContextKeyedAPIFactory<StreamsPrivateAPI>*
 StreamsPrivateAPI::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 }  // namespace extensions