Add a Javascript wrapper for InterfaceRegistry.

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 096178bc478602062e296a870d92c7a362397750..9a61ae418ec25c13a6aafb122ab24ff09e1bf67d 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -115,6 +115,7 @@
 #include "content/renderer/media/web_media_element_source_utils.h"
 #include "content/renderer/media/webmediaplayer_ms.h"
 #include "content/renderer/mojo/interface_provider_js_wrapper.h"
+#include "content/renderer/mojo/interface_registry_js_wrapper.h"
 #include "content/renderer/mojo_bindings_controller.h"
 #include "content/renderer/navigation_state_impl.h"
 #include "content/renderer/pepper/pepper_audio_controller.h"
@@ -2565,6 +2566,16 @@ void RenderFrameImpl::EnsureMojoBuiltinsAreAvailable(
       InterfaceProviderJsWrapper::Create(
           isolate, context, RenderThread::Get()->GetRemoteInterfaces())
           .ToV8());
+  registry->AddBuiltinModule(isolate,
+                             InterfaceRegistryJsWrapper::kPerFrameModuleName,
+                             InterfaceRegistryJsWrapper::Create(
+                                 isolate, context, interface_registry_.get())
+                                 .ToV8());
+  registry->AddBuiltinModule(
+      isolate, InterfaceRegistryJsWrapper::kPerProcessModuleName,
+      InterfaceRegistryJsWrapper::Create(
+          isolate, context, RenderThread::Get()->GetInterfaceRegistry())
+          .ToV8());
 }
 
 void RenderFrameImpl::AddMessageToConsole(ConsoleMessageLevel level,