Move InterfaceProvider into the shell::mojom namespace like the rest of the shell interfaces.

mojo/shell/connect_util.cc

Index: mojo/shell/connect_util.cc
diff --git a/mojo/shell/connect_util.cc b/mojo/shell/connect_util.cc
index 1e3f7bffc7a1fcc8c4895c9345e3a288a4178e5b..d3d0c2d6e9a2ca44e72c28ffb25aaba39dc5334f 100644
--- a/mojo/shell/connect_util.cc
+++ b/mojo/shell/connect_util.cc
@@ -17,7 +17,7 @@ ScopedMessagePipeHandle ConnectToInterfaceByName(
     ApplicationManager* application_manager,
     const GURL& application_url,
     const std::string& interface_name) {
-  InterfaceProviderPtr remote_interfaces;
+  shell::mojom::InterfaceProviderPtr remote_interfaces;
   scoped_ptr<ConnectToApplicationParams> params(new ConnectToApplicationParams);
   params->SetTarget(Identity(application_url, std::string(),
                              GetPermissiveCapabilityFilter()));