Include all server redirects in referrer chain

chrome/browser/safe_browsing/safe_browsing_navigation_observer_manager.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_SAFE_BROWSING_SAFE_BROWSING_NAVIGATION_OBSERVER_MANAGER_H_
 #define CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_NAVIGATION_OBSERVER_MANAGER_H_
 
 #include "base/feature_list.h"
 #include "chrome/common/safe_browsing/csd.pb.h"
 #include "content/public/browser/notification_observer.h"
@@ skipping 85 matching lines @@
   // Based on the |initiating_frame_url| and its associated |tab_id|, trace back
   // the observed NavigationEvents in navigation_map_ to identify the sequence
   // of navigations leading to this |initiating_frame_url|. If this initiating
   // frame has a user gesture, we trace back with the coverage limited to
   // |user_gesture_count_limit|-1 number of user gestures, otherwise we trace
   // back |user_gesture_count_limit| number of user gestures. We then convert
   // these identified NavigationEvents into ReferrerChainEntrys and append them
   // to |out_referrer_chain|.
   AttributionResult IdentifyReferrerChainForPPAPIDownload(
       const GURL& initiating_frame_url,
+      const GURL& initiating_main_frame_url,
       int tab_id,
       bool has_user_gesture,
       int user_gesture_count_limit,
       ReferrerChain* out_referrer_chain);
 
  private:
   friend class base::RefCountedThreadSafe<
       SafeBrowsingNavigationObserverManager>;
   friend class TestNavigationObserverManager;
   friend class SBNavigationObserverBrowserTest;
@@ skipping 60 matching lines @@
   // In this case, FindNavigationEvent() will think url2 in Window B is the
   // referrer of about::blank in Window C since this navigation is more recent.
   // However, it does not prevent us to attribute url1 in Window A as the cause
   // of all these navigations.
   NavigationEvent* FindNavigationEvent(const GURL& target_url,
                                        const GURL& target_main_frame_url,
                                        int target_tab_id);
 
   void AddToReferrerChain(ReferrerChain* referrer_chain,
                           NavigationEvent* nav_event,
+                          const GURL& destination_main_frame_url,
                           ReferrerChainEntry::URLType type);
 
   // Helper function to get the remaining referrer chain when we've already
   // traced back |current_user_gesture_count| number of user gestures.
   // This function modifies the |out_referrer_chain| and |out_result|.
   void GetRemainingReferrerChain(NavigationEvent* last_nav_event_traced,
                                  int current_user_gesture_count,
                                  int user_gesture_count_limit,
                                  ReferrerChain* out_referrer_chain,
                                  AttributionResult* out_result);
@@ skipping 22 matching lines @@
 
   content::NotificationRegistrar registrar_;
 
   base::OneShotTimer cleanup_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingNavigationObserverManager);
 };
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_NAVIGATION_OBSERVER_MANAGER_H_