Batch data use objects in ExternalDataUseObserver

chrome/browser/android/data_usage/external_data_use_reporter_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 "chrome/browser/android/data_usage/external_data_use_reporter.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
@@ skipping 109 matching lines @@
 
   // Returns a default data_usage::DataUse object.
   data_usage::DataUse default_data_use() {
     return data_usage::DataUse(
         GURL(kDefaultURL), base::TimeTicks::Now(), GURL(), kDefaultTabId,
         net::NetworkChangeNotifier::CONNECTION_UNKNOWN, "",
         default_upload_bytes(), default_download_bytes());
   }
 
   void OnDataUse(const data_usage::DataUse& data_use) {
-    external_data_use_reporter()->OnDataUse(data_use);
+    std::unique_ptr<std::deque<const data_usage::DataUse>> data_use_list(
+        new std::deque<const data_usage::DataUse>());
+    data_use_list->push_back(data_use);
+    external_data_use_reporter()->OnDataUse(std::move(data_use_list));
   }
 
   ExternalDataUseObserver* external_data_use_observer() const {
     return external_data_use_observer_.get();
   }
 
   ExternalDataUseReporter* external_data_use_reporter() const {
     return external_data_use_observer_->GetExternalDataUseReporterForTesting();
   }
 
@@ skipping 403 matching lines @@
   EXPECT_EQ(
       base::TimeDelta::FromMilliseconds(kDefaultMaxDataReportSubmitWaitMsec),
       external_data_use_reporter()->data_report_submit_timeout_);
   EXPECT_EQ(kDataUseReportMinBytes,
             external_data_use_reporter()->data_use_report_min_bytes_);
 }
 
 }  // namespace android
 
 }  // namespace chrome