Move shell interfaces into the shell.mojom namespace.

mojo/shell/package_manager/content_handler_connection.cc

Index: mojo/shell/package_manager/content_handler_connection.cc
diff --git a/mojo/shell/package_manager/content_handler_connection.cc b/mojo/shell/package_manager/content_handler_connection.cc
index 433245a6be09b2e9b2a3363e1b81b1944d746eba..7271fb88ee9592d8e979b48b62784166664aa9f4 100644
--- a/mojo/shell/package_manager/content_handler_connection.cc
+++ b/mojo/shell/package_manager/content_handler_connection.cc
@@ -38,14 +38,15 @@ ContentHandlerConnection::ContentHandlerConnection(
 
   MessagePipe pipe;
   content_handler_.Bind(
-      InterfacePtrInfo<ContentHandler>(std::move(pipe.handle0), 0u));
-  services->ConnectToService(ContentHandler::Name_, std::move(pipe.handle1));
+      InterfacePtrInfo<mojom::ContentHandler>(std::move(pipe.handle0), 0u));
+  services->ConnectToService(mojom::ContentHandler::Name_,
+                             std::move(pipe.handle1));
   content_handler_.set_connection_error_handler(
       [this]() { CloseConnection(); });
 }
 
 void ContentHandlerConnection::StartApplication(
-    InterfaceRequest<Application> request,
+    InterfaceRequest<mojom::Application> request,
     URLResponsePtr response) {
   content_handler_->StartApplication(
       std::move(request), std::move(response),