Record data use of user traffic by different core page transition types

chrome/browser/data_use_measurement/chrome_data_use_ascriber_service.h

 // 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.
 
 #ifndef CHROME_BROWSER_DATA_USE_MEASUREMENT_CHROME_DATA_USE_ASCRIBER_SERVICE_H_
 #define CHROME_BROWSER_DATA_USE_MEASUREMENT_CHROME_DATA_USE_ASCRIBER_SERVICE_H_
 
 #include <list>
 #include <unordered_set>
 
@@ skipping 45 matching lines @@
 
   // Called every time the WebContents changes visibility. Propagates the event
   // to the |ascriber_| on the IO thread.
   void WasShownOrHidden(content::RenderFrameHost* main_render_frame_host,
                         bool visible);
 
   // Called when one of the render frames of a WebContents is swapped.
   void RenderFrameHostChanged(content::RenderFrameHost* old_host,
                               content::RenderFrameHost* new_host);
 
+  // Forwarded from DataUseWebContentsObserver
+  void DidFinishNavigation(content::NavigationHandle* navigation_handle);
+
  private:
   friend class ChromeDataUseAscriberServiceTest;
 
   void SetDataUseAscriber(ChromeDataUseAscriber* ascriber);
 
   // |ascriber_| outlives this instance.
   ChromeDataUseAscriber* ascriber_;
 
   // Tracks whether |ascriber_| was set. This field is required because tests
   // might set |ascriber_| to nullptr.
@@ skipping 10 matching lines @@
   // |ascriber_| is set. Sucn pending main render frame visibile events are
   // maintained in this set and propagated immediately after |ascriber_| is set.
   std::unordered_set<content::RenderFrameHost*> pending_visible_main_frames_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeDataUseAscriberService);
 };
 
 }  // namespace data_use_measurement
 
 #endif  // CHROME_BROWSER_DATA_USE_MEASUREMENT_CHROME_DATA_USE_ASCRIBER_SERVICE_H_