[Extensions] Finish making port creation asynchronous

extensions/common/extension_messages.h

 // Copyright 2014 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.
 
 // IPC messages for extensions.
 // Multiply-included message file, hence no include guard.
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 676 matching lines @@
                      std::string /* channel_name */,
                      bool /* include_tls_channel_id */,
                      int /* request_id */)
 
 // The response to a request to open an extension message port, including the
 // global port id and the request id.
 IPC_MESSAGE_ROUTED2(ExtensionMsg_AssignPortId,
                     int /*port_id */,
                     int /* request_id */)
 
-IPC_SYNC_MESSAGE_CONTROL2_1(ExtensionHostMsg_OpenChannelToNativeApp,
-                            int /* frame_routing_id */,
-                            std::string /* native_app_name */,
-                            int /* port_id */)
+IPC_MESSAGE_CONTROL3(ExtensionHostMsg_OpenChannelToNativeApp,
+                     int /* frame_routing_id */,
+                     std::string /* native_app_name */,
+                     int /* request_id */)
 
 // Get a port handle to the given tab.  The handle can be used for sending
 // messages to the extension.
-IPC_SYNC_MESSAGE_CONTROL4_1(ExtensionHostMsg_OpenChannelToTab,
-                            int /* frame_routing_id */,
-                            ExtensionMsg_TabTargetConnectionInfo,
-                            std::string /* extension_id */,
-                            std::string /* channel_name */,
-                            int /* port_id */)
+IPC_MESSAGE_CONTROL5(ExtensionHostMsg_OpenChannelToTab,
+                     int /* frame_routing_id */,
+                     ExtensionMsg_TabTargetConnectionInfo,
+                     std::string /* extension_id */,
+                     std::string /* channel_name */,
+                     int /* request_id */)
 
 // Sent in response to ExtensionMsg_DispatchOnConnect when the port is accepted.
 // The handle is the value returned by ExtensionHostMsg_OpenChannelTo*.
 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_OpenMessagePort,
                      int /* frame_routing_id */,
                      int /* port_id */)
 
 // Sent in response to ExtensionMsg_DispatchOnConnect and whenever the port is
 // closed. The handle is the value returned by ExtensionHostMsg_OpenChannelTo*.
 IPC_MESSAGE_CONTROL3(ExtensionHostMsg_CloseMessagePort,
@@ skipping 160 matching lines @@
 
 // The browser sends this message in response to all service worker extension
 // api calls. The response data (if any) is one of the base::Value subclasses,
 // wrapped as the first element in a ListValue.
 IPC_MESSAGE_CONTROL5(ExtensionMsg_ResponseWorker,
                      int /* thread_id */,
                      int /* request_id */,
                      bool /* success */,
                      base::ListValue /* response wrapper (see comment above) */,
                      std::string /* error */)