Parse snippet times properly.

components/ntp_snippets/ntp_snippets_fetcher_unittest.cc

 // 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.
 
 #include "components/ntp_snippets/ntp_snippets_fetcher.h"
 
 #include "base/json/json_reader.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/test/histogram_tester.h"
@@ skipping 365 matching lines @@
                                        /*count=*/1)));
 }
 
 TEST_F(NTPSnippetsContentSuggestionsFetcherTest, ShouldFetchSuccessfully) {
   const std::string kJsonStr =
       "{\"snippet\" : [{"
       "  \"id\" : [\"http://localhost/foobar\"],"
       "  \"title\" : \"Foo Barred from Baz\","
       "  \"summaryText\" : \"...\","
       "  \"fullPageUrl\" : \"http://localhost/foobar\","
-      "  \"publishTime\" : {"
-      "    \"seconds\": 1466510682,"
-      "    \"nanos\": 552743000 "
-      "  },"
-      "  \"expirationTime\" : {"
-      "    \"seconds\" : 1466597082,"
-      "    \"nanos\" : 552743000 "
-      "  },"
+      "  \"publishTime\" : \"2016-06-30T11:01:37.000Z\","
+      "  \"expirationTime\" : \"2016-07-01T11:01:37.000Z\","
       "  \"publisherName\" : \"Foo News\","
       "  \"imageUrl\" : \"http://localhost/foobar.jpg\","
       "  \"ampUrl\" : \"http://localhost/amp\","
       "  \"faviconUrl\" : \"http://localhost/favicon.ico\" "
       "}]}";
   SetFakeResponse(/*data=*/kJsonStr, net::HTTP_OK,
                   net::URLRequestStatus::SUCCESS);
   EXPECT_CALL(mock_callback(), Run(/*snippets=*/PointeeSizeIs(1))).Times(1);
   snippets_fetcher().FetchSnippetsFromHosts(test_hosts(), test_lang(),
                                             /*count=*/1);
@@ skipping 165 matching lines @@
   if (snippets) {
     // Matchers above aren't any more precise than this, so this is sufficient
     // for test-failure diagnostics.
     return os << "list with " << snippets->size() << " elements";
   } else {
     return os << "null";
   }
 }
 
 }  // namespace ntp_snippets