Extract minimal RenderViewHost interface for embedders, leaving

chrome/browser/extensions/extension_message_service.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/extension_message_service.h"
 
 #include "base/atomic_sequence_num.h"
 #include "base/json/json_writer.h"
 #include "base/stl_util.h"
 #include "base/values.h"
@@ skipping 183 matching lines @@
   if (!source)
     return;
   Profile* profile = Profile::FromBrowserContext(source->GetBrowserContext());
 
   TabContentsWrapper* contents = NULL;
   MessagePort receiver;
   if (ExtensionTabUtil::GetTabById(tab_id, profile, true,
                                    NULL, NULL, &contents, NULL)) {
     receiver.sender = contents->web_contents()->GetRenderViewHost();
     receiver.routing_id =
-        contents->web_contents()->GetRenderViewHost()->routing_id();
+        contents->web_contents()->GetRenderViewHost()->GetRoutingID();
   }
 
   if (contents && contents->web_contents()->GetController().NeedsReload()) {
     // The tab isn't loaded yet. Don't attempt to connect. Treat this as a
     // disconnect.
     DispatchOnDisconnect(MessagePort(source, MSG_ROUTING_CONTROL),
                          GET_OPPOSITE_PORT_ID(receiver_port_id), true);
     return;
   }
 
@@ skipping 82 matching lines @@
     return -1;
   }
 
   int port1_id = -1;
   int port2_id = -1;
   // Create a channel ID for both sides of the channel.
   AllocatePortIdPair(&port1_id, &port2_id);
 
   MessagePort receiver(
       target_web_contents->GetRenderViewHost(),
-      target_web_contents->GetRenderViewHost()->routing_id());
+      target_web_contents->GetRenderViewHost()->GetRoutingID());
   if (!OpenChannelImpl(source, "null", receiver, port2_id,
                        extension_id, extension_id, channel_name))
     return -1;
 
   return port1_id;
 }
 
 void ExtensionMessageService::CloseChannel(int port_id) {
   // Note: The channel might be gone already, if the other side closed first.
   MessageChannelMap::iterator it = channels_.find(GET_CHANNEL_ID(port_id));
@@ skipping 62 matching lines @@
 
     if (current->second->opener.sender == sender) {
       CloseChannelImpl(current, GET_CHANNEL_OPENER_ID(current->first),
                        notify_other_port);
     } else if (current->second->receiver.sender == sender) {
       CloseChannelImpl(current, GET_CHANNEL_RECEIVERS_ID(current->first),
                        notify_other_port);
     }
   }
 }