FrameMojoShell provides services to mojo apps.

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index 5e193c98772d9c44e8733b8c2dcd949371196439..6e9312d22ace262a02732958529b5109d6079471 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -1575,9 +1575,6 @@ void RenderFrameHostImpl::RegisterMojoServices() {
         base::Bind(&VRDeviceManager::BindRequest));
   }
 #endif
-
-  GetContentClient()->browser()->OverrideRenderFrameMojoServices(

[Ken Rockot(use gerrit already), 2015/07/06 18:58:00]

So how does this get called now?

[xhwang, 2015/07/07 19:21:04]

This call is renamed to OverrideFrameMojoShellServices and is called in
FrameMojoShell now. In the future we may need OverrideRenderFrameMojoServices
again and we can add it back then.

-      GetServiceRegistry(), this);
 }
 
 void RenderFrameHostImpl::SetState(RenderFrameHostImplState rfh_state) {