Adding URLResponse Disk Cache to mojo.

services/url_response_disk_cache/url_response_disk_cache_entry.mojom

Index: services/url_response_disk_cache/url_response_disk_cache_entry.mojom
diff --git a/services/icu_data/icu_data.mojom b/services/url_response_disk_cache/url_response_disk_cache_entry.mojom
similarity index 56%
copy from services/icu_data/icu_data.mojom
copy to services/url_response_disk_cache/url_response_disk_cache_entry.mojom
index 53f8ac5d047091be7948d9d587bcb090fa33cab6..c68fa2debae41615144725fe2776c02ae08d8b7f 100644
--- a/services/icu_data/icu_data.mojom
+++ b/services/url_response_disk_cache/url_response_disk_cache_entry.mojom
@@ -2,8 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-module icu_data;
+module mojo;
 
-interface ICUData {
-  Map(string sha1hash) => (handle<shared_buffer>? icu_data);
+// One entry in the service cache.
+struct CacheEntry {
+  string url;
+  string content_path;
+  array<string>? headers;
 };