Add RoutingIDIssuer to help track routing id issues.

content/browser/renderer_host/render_process_host_impl.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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 992 matching lines @@
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   return browser_cdm_manager_->GetCdm(render_frame_id, cdm_id);
 }
 #endif
 
 void RenderProcessHostImpl::AddRoute(
     int32 routing_id,
     IPC::Listener* listener) {
   CHECK(!listeners_.Lookup(routing_id))
       << "Found Routing ID Conflict: " << routing_id;
+  CHECK(widget_helper_->IsRoutingIDProbablyValid(routing_id))
+      << "Found Routing ID conflicts: " << routing_id;
   listeners_.AddWithID(listener, routing_id);
 }
 
 void RenderProcessHostImpl::RemoveRoute(int32 routing_id) {
   DCHECK(listeners_.Lookup(routing_id) != NULL);
   listeners_.Remove(routing_id);
 
 #if defined(OS_WIN)
   // Dump the handle table if handle auditing is enabled.
   const base::CommandLine& browser_command_line =
@@ skipping 1424 matching lines @@
   if (worker_ref_count_ == 0)
     Cleanup();
 }
 
 void RenderProcessHostImpl::GetAudioOutputControllers(
     const GetAudioOutputControllersCallback& callback) const {
   audio_renderer_host()->GetOutputControllers(callback);
 }
 
 }  // namespace content