Migrate RenderProcessHost, ChildThread to InterfaceRegistry/Provider

content/utility/utility_thread_impl.cc

Index: content/utility/utility_thread_impl.cc
diff --git a/content/utility/utility_thread_impl.cc b/content/utility/utility_thread_impl.cc
index f719ce8b255a64ea87e1a65318437d522b24c33b..8425e664eb580abf37dd23489e9be26aa8ef3eb5 100644
--- a/content/utility/utility_thread_impl.cc
+++ b/content/utility/utility_thread_impl.cc
@@ -96,10 +96,11 @@ void UtilityThreadImpl::Init() {
   GetContentClient()->utility()->UtilityThreadStarted();
 
   process_control_.reset(new UtilityProcessControlImpl);
-  interface_registry()->AddInterface(base::Bind(
+  GetInterfaceRegistry()->AddInterface(base::Bind(
       &UtilityThreadImpl::BindProcessControlRequest, base::Unretained(this)));
 
-  GetContentClient()->utility()->RegisterMojoInterfaces(interface_registry());
+  GetContentClient()->utility()->ExposeInterfacesToBrowser(
+      GetInterfaceRegistry());
 }
 
 bool UtilityThreadImpl::OnControlMessageReceived(const IPC::Message& msg) {