Extract minimal RenderViewHost interface for embedders, leaving

chrome/renderer/extensions/extension_custom_bindings.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/renderer/extensions/extension_custom_bindings.h"
 
 #include <string>
 
 #include "base/string_util.h"
 #include "chrome/common/chrome_view_type.h"
@@ skipping 186 matching lines @@
   CHECK(args.Length() >= 3 &&
         args[0]->IsString() &&
         args[1]->IsString() &&
         args[2]->IsString());
 
   std::string source_id = *v8::String::Utf8Value(args[0]->ToString());
   std::string target_id = *v8::String::Utf8Value(args[1]->ToString());
   std::string channel_name = *v8::String::Utf8Value(args[2]->ToString());
   int port_id = -1;
   renderview->Send(new ExtensionHostMsg_OpenChannelToExtension(
-      renderview->GetRoutingId(),
+      renderview->GetRoutingID(),
       source_id,
       target_id,
       channel_name,
       &port_id));
   return v8::Integer::New(port_id);
 }
 
 }  // namespace extensions