Expose Cache Storage API in global window/worker scope

LayoutTests/http/tests/cachestorage/script-tests/cache-storage-match.js

Index: LayoutTests/http/tests/cachestorage/script-tests/cache-storage-match.js
diff --git a/LayoutTests/http/tests/serviceworker/resources/cache-storage-match-worker.js b/LayoutTests/http/tests/cachestorage/script-tests/cache-storage-match.js
similarity index 95%
copy from LayoutTests/http/tests/serviceworker/resources/cache-storage-match-worker.js
copy to LayoutTests/http/tests/cachestorage/script-tests/cache-storage-match.js
index 2c916614cc5e0531edcb92c1b4c6295f221e0656..f347ce2e778d1e06e9c1452a15f8ac314a09a477 100644
--- a/LayoutTests/http/tests/serviceworker/resources/cache-storage-match-worker.js
+++ b/LayoutTests/http/tests/cachestorage/script-tests/cache-storage-match.js
@@ -1,6 +1,8 @@
-importScripts('worker-testharness.js');
-importScripts('../../resources/testharness-helpers.js');
-importScripts('override_assert_object_equals.js');
+if (self.importScripts) {
+    importScripts('/resources/testharness.js');
+    importScripts('/resources/testharness-helpers.js');
+    importScripts('../resources/test-helpers.js');
+}
 
 (function() {
   var next_index = 1;
@@ -117,3 +119,5 @@ promise_test(function(test) {
           assert_false(has_foo, "The cache should still not exist.");
         })
 }, 'CacheStorageMatch with no caches available but name provided');
+
+done();