Set main frame id on DataUseRecorder created for render frame.

chrome/browser/data_use_measurement/chrome_data_use_ascriber.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/data_use_measurement/chrome_data_use_ascriber.h"
 
 #include <string>
 
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/data_use_measurement/chrome_data_use_recorder.h"
@@ skipping 316 matching lines @@
       DataUseRecorderEntry old_frame_entry = frame_it->second;
       render_frame_data_use_map_.erase(frame_it);
       if (old_frame_entry->IsDataUseComplete()) {
         OnDataUseCompleted(old_frame_entry);
         data_use_recorders_.erase(old_frame_entry);
       }
 
       // Add a new recorder to the render frame map to replace the deleted one.
       DataUseRecorderEntry entry = data_use_recorders_.emplace(
           data_use_recorders_.end());
-      render_frame_data_use_map_.insert(std::make_pair(
-          RenderFrameHostID(render_process_id, render_frame_id), entry));
+      std::pair<int, int> frame_key =
+          RenderFrameHostID(render_process_id, render_frame_id);
+      entry->set_main_frame_id(frame_key);
+      render_frame_data_use_map_.insert(std::make_pair(frame_key, entry));
     }
     return;
   }
 
   DataUseRecorderEntry entry = navigation_iter->second;
   pending_navigation_data_use_map_.erase(navigation_iter);
   entry->set_main_frame_id(
       RenderFrameHostID(render_process_id, render_frame_id));
 
   // If the frame has already been deleted then mark this navigation as having
@@ skipping 58 matching lines @@
       data_use_recorders_.end());
   if (request) {
     entry->AddPendingURLRequest(request);
     request->SetUserData(DataUseRecorderEntryAsUserData::kUserDataKey,
                          new DataUseRecorderEntryAsUserData(entry));
   }
   return entry;
 }
 
 }  // namespace data_use_measurement