Migrate RenderProcessHost, ChildThread to InterfaceRegistry/Provider

content/child/mojo/mojo_application.h

Index: content/child/mojo/mojo_application.h
diff --git a/content/child/mojo/mojo_application.h b/content/child/mojo/mojo_application.h
index c1005b9373f6fe28dd7299255062d43056e955b9..3700bc7424e4c9719478cc1a350bb282734da8d6 100644
--- a/content/child/mojo/mojo_application.h
+++ b/content/child/mojo/mojo_application.h
@@ -15,8 +15,8 @@ namespace content {
 
 // MojoApplication represents the code needed to setup a child process as a
 // Mojo application. Instantiate MojoApplication and call InitWithToken() with
-// a token passed from the process host. It makes the ServiceRegistry interface
-// available.
+// a token passed from the process host. It makes the InterfaceRegistry
+// interface available.
 class MojoApplication {
  public:
   MojoApplication();