Update client side navigator.connect API to use ServicePortCollection [2/3]

content/child/webmessageportchannel_impl.h

 // 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.
 
 #ifndef CONTENT_CHILD_WEBMESSAGEPORTCHANNEL_IMPL_H_
 #define CONTENT_CHILD_WEBMESSAGEPORTCHANNEL_IMPL_H_
 
 #include <queue>
 #include <vector>
 
@@ skipping 38 matching lines @@
   // Extracts port IDs for passing on to the browser process, and queues any
   // received messages. Takes ownership of the passed array (and deletes it).
   static std::vector<TransferredMessagePort> ExtractMessagePortIDs(
       blink::WebMessagePortChannelArray* channels);
 
   // Extracts port IDs for passing on to the browser process, and queues any
   // received messages.
   static std::vector<TransferredMessagePort> ExtractMessagePortIDs(
       const blink::WebMessagePortChannelArray& channels);
 
+  // Extracts port IDs for passing on to the browser process, but doesn't
+  // send a separate IPC to the browser to initiate queueing messages. Instead
+  // calling code is responsible for initiating the queueing in the browser
+  // process. This is useful when transfering ports over an IPC channel that
+  // does not share ordering guarentees with regular IPC.
+  static std::vector<TransferredMessagePort>
+  ExtractMessagePortIDsWithoutQueueing(
+      scoped_ptr<blink::WebMessagePortChannelArray> channels);
+
   // Creates WebMessagePortChannelImpl instances for port IDs passed in from the
   // browser process.
   static blink::WebMessagePortChannelArray CreatePorts(
       const std::vector<TransferredMessagePort>& message_ports,
       const std::vector<int>& new_routing_ids,
       const scoped_refptr<base::SingleThreadTaskRunner>&
           main_thread_task_runner);
 
   // Queues received and incoming messages until there are no more in-flight
   // messages, then sends all of them to the browser process.
@@ skipping 50 matching lines @@
   bool send_messages_as_values_;
   bool is_stashed_;
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMessagePortChannelImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_WEBMESSAGEPORTCHANNEL_IMPL_H_