Domain Reliability: Include config_version in uploads

components/domain_reliability/context_unittest.cc

 // Copyright 2014 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/domain_reliability/context.h"
 
 #include <map>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 140 matching lines @@
   EXPECT_TRUE(CheckCounts(0, 1, 0));
   EXPECT_TRUE(CheckNoBeacons(1));
   EXPECT_TRUE(CheckCounts(1, 0, 0));
 }
 
 TEST_F(DomainReliabilityContextTest, ReportUpload) {
   GURL url("http://example/always_report");
   DomainReliabilityBeacon beacon = MakeBeacon(&time_);
   context_.OnBeacon(url, beacon);
 
-  const char* kExpectedReport = "{\"reporter\":\"test-reporter\","
+  // N.B.: Assumes max_delay is 5 minutes.
+  const char* kExpectedReport = "{\"config_version\":\"1\","
+      "\"reporter\":\"test-reporter\","
       "\"resource_reports\":[{\"beacons\":[{\"http_response_code\":200,"
       "\"request_age_ms\":300250,\"request_elapsed_ms\":250,\"server_ip\":"
       "\"127.0.0.1\",\"status\":\"ok\"}],\"failed_requests\":0,"
       "\"resource_name\":\"always_report\",\"successful_requests\":1}]}";
 
   time_.Advance(max_delay());
   EXPECT_TRUE(upload_pending());
   EXPECT_EQ(kExpectedReport, upload_report());
   EXPECT_EQ(GURL("https://example/upload"), upload_url());
   CallUploadCallback(true);
 }
 
 }  // namespace
 }  // namespace domain_reliability