Add IPC for DNS host address resolution.

content/browser/renderer_host/browser_render_process_host.cc

Index: content/browser/renderer_host/browser_render_process_host.cc
diff --git a/content/browser/renderer_host/browser_render_process_host.cc b/content/browser/renderer_host/browser_render_process_host.cc
index 22928672506170a8a0a2a89604c66f25914eecae..8552ecc465782c410b1bf47931809d4198e176cf 100644
--- a/content/browser/renderer_host/browser_render_process_host.cc
+++ b/content/browser/renderer_host/browser_render_process_host.cc
@@ -402,7 +402,8 @@ void BrowserRenderProcessHost::CreateMessageFilters() {
               widget_helper_.get(), &RenderWidgetHelper::GetNextRoutingID)));
 
 #if defined(ENABLE_P2P_APIS)
-  channel_->AddFilter(new P2PSocketDispatcherHost());
+  channel_->AddFilter(new P2PSocketDispatcherHost(
+      &browser_context()->GetResourceContext()));
 #endif
 
   channel_->AddFilter(new TraceMessageFilter());