Move shell interfaces into the shell.mojom namespace.

content/child/process_control_impl.cc

Index: content/child/process_control_impl.cc
diff --git a/content/child/process_control_impl.cc b/content/child/process_control_impl.cc
index a53c01129e6c16bc5688e135afc7ddddb7cab2ac..f4cae6b28ee193171516e33e55686ce74f856f9e 100644
--- a/content/child/process_control_impl.cc
+++ b/content/child/process_control_impl.cc
@@ -22,7 +22,7 @@ ProcessControlImpl::~ProcessControlImpl() {
 
 void ProcessControlImpl::LoadApplication(
     const mojo::String& url,
-    mojo::InterfaceRequest<mojo::Application> request,
+    mojo::InterfaceRequest<mojo::shell::mojom::Application> request,
     const LoadApplicationCallback& callback) {
   // Only register loaders when we need it.
   if (!has_registered_loaders_) {