Batch data use objects in ExternalDataUseObserver

chrome/browser/android/data_usage/external_data_use_reporter.h

Index: chrome/browser/android/data_usage/external_data_use_reporter.h
diff --git a/chrome/browser/android/data_usage/external_data_use_reporter.h b/chrome/browser/android/data_usage/external_data_use_reporter.h
index 5999050c89dbc2dbb246fc72fa357eaecd98399c..51f3edebb66baa86f6a754565e7ac36dc0b4d582 100644
--- a/chrome/browser/android/data_usage/external_data_use_reporter.h
+++ b/chrome/browser/android/data_usage/external_data_use_reporter.h
@@ -8,6 +8,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#include <deque>
 #include <memory>
 #include <string>
 
@@ -67,10 +68,11 @@ class ExternalDataUseReporter {
 
   void InitOnUIThread();
 
-  // Notifies the ExternalDataUseReporter of data usage. The data use is
-  // labeled using |data_use_tab_model_|, buffered and then reported to
+  // Notifies the ExternalDataUseReporter of data usage. The data use is labeled
+  // using |data_use_tab_model_|, buffered and then reported to
   // |external_data_use_observer_bridge_| later.
-  void OnDataUse(const data_usage::DataUse& data_use);
+  void OnDataUse(std::unique_ptr<const std::deque<const data_usage::DataUse>>
+                     data_use_list);
 
   void OnReportDataUseDone(bool success);