Break up common_custom_types.mojom.

services/catalog/public/interfaces/catalog.mojom

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 module catalog.mojom;
 
-import "mojo/common/common_custom_types.mojom";
+import "mojo/common/file_path.mojom";
 
 struct Entry {
   string name;
   string display_name;
 };
 
 interface Catalog {
   // Returns the catalog entries for the specified mojo names.
   // If |names| is null, all available entries are returned.
   [Sync]
@@ skipping 11 matching lines @@
   // specified scheme.
   GetEntriesSupportingScheme(string protocol_scheme) => (array<Entry> entries);
 };
 
 // A control interface which may be exposed to privileged services.
 interface CatalogControl {
   // Overrides the manifest path for a specific service named |name|.
   [Sync]
   OverrideManifestPath(string name, mojo.common.mojom.FilePath path) => ();
 };