Sync Cache API tests w/ web-platform-tests

third_party/WebKit/LayoutTests/http/tests/cachestorage/worker/cache-add-expected.txt

Index: third_party/WebKit/LayoutTests/http/tests/cachestorage/worker/cache-add-expected.txt
diff --git a/third_party/WebKit/LayoutTests/http/tests/cachestorage/worker/cache-add-expected.txt b/third_party/WebKit/LayoutTests/http/tests/cachestorage/worker/cache-add-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1d8b05372c747f03dd622aedb16036cd36f31392
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/http/tests/cachestorage/worker/cache-add-expected.txt
@@ -0,0 +1,19 @@
+This is a testharness.js-based test.
+PASS Cache.add called with no arguments 
+PASS Cache.add called with relative URL specified as a string 
+PASS Cache.add called with non-HTTP/HTTPS URL 
+PASS Cache.add called with Request object 
+PASS Cache.add called with POST request 
+PASS Cache.add called twice with the same Request object 
+PASS Cache.add called with Request object with a used body 
+PASS Cache.add with request that results in a status of 404 
+PASS Cache.add with request that results in a status of 500 
+PASS Cache.addAll with no arguments 
+PASS Cache.addAll with a mix of valid and undefined arguments 
+PASS Cache.addAll with an empty array 
+PASS Cache.addAll with string URL arguments 
+PASS Cache.addAll with Request arguments 
+PASS Cache.addAll with a mix of succeeding and failing requests 
+FAIL Cache.addAll called with the same Request object specified twice promise_test: Unhandled rejection with value: "assert_promise_rejects: Cache.addAll should throw InvalidStateError if the same request is added twice. Promise did not reject."
+Harness: the test ran to completion.
+