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

chrome/browser/data_use_measurement/chrome_data_use_ascriber.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_H_
 #define CHROME_BROWSER_DATA_USE_MEASUREMENT_CHROME_DATA_USE_ASCRIBER_H_
 
 #include <list>
 #include <memory>
 #include <string>
@@ skipping 86 matching lines @@
   void WasShownOrHidden(int main_render_process_id,
                         int main_render_frame_id,
                         bool visible);
 
   // Called whenever one of the render frames of a WebContents is swapped.
   void RenderFrameHostChanged(int old_render_process_id,
                               int old_render_frame_id,
                               int new_render_process_id,
                               int new_render_frame_id);
 
+  void DidFinishNavigation(int render_process_id,

[RyanSturm, 2017/01/10 22:56:19]

method Comment.

+                           int render_frame_id,
+                           uint32_t page_transition);
+
  private:
   friend class ChromeDataUseAscriberTest;
 
   // Entry in the |data_use_recorders_| list which owns all instances of
   // DataUseRecorder.
   typedef std::list<ChromeDataUseRecorder> DataUseRecorderList;
   typedef DataUseRecorderList::iterator DataUseRecorderEntry;
 
   struct GlobalRequestIDHash {
    public:
@@ skipping 53 matching lines @@
 
   // Contains the mainframe IDs that are currently visible.
   base::hash_set<RenderFrameHostID> visible_main_render_frames_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeDataUseAscriber);
 };
 
 }  // namespace data_use_measurement
 
 #endif  // CHROME_BROWSER_DATA_USE_MEASUREMENT_CHROME_DATA_USE_ASCRIBER_H_