[DO NOT COMMIT] Remove chrome::NOTIFICATION_RETARGETING

chrome/browser/extensions/api/web_navigation/web_navigation_api.h

Index: chrome/browser/extensions/api/web_navigation/web_navigation_api.h
diff --git a/chrome/browser/extensions/api/web_navigation/web_navigation_api.h b/chrome/browser/extensions/api/web_navigation/web_navigation_api.h
index 47a2915470d4df2f34b45667434d48565723c80e..6cc799802381a4d547090c7fd44b8c4efaeece09 100644
--- a/chrome/browser/extensions/api/web_navigation/web_navigation_api.h
+++ b/chrome/browser/extensions/api/web_navigation/web_navigation_api.h
@@ -110,7 +110,11 @@ class WebNavigationEventRouter : public TabStripModelObserver,
   explicit WebNavigationEventRouter(Profile* profile);
   ~WebNavigationEventRouter() override;
 
- private:
+  // Handler for the NOTIFICATION_RETARGETING event. The method takes the
+  // details of such an event and stores them for the later
+  // NOTIFICATION_TAB_ADDED event.
+  void Retargeting(const RetargetingDetails* details);
+
   // Used to cache the information about newly created WebContents objects.
   struct PendingWebContents{
     PendingWebContents();
@@ -126,6 +130,7 @@ class WebNavigationEventRouter : public TabStripModelObserver,
     GURL target_url;
   };
 
+ private:
   // BrowserTabStripTrackerDelegate implementation.
   bool ShouldTrackBrowser(Browser* browser) override;
 
@@ -140,11 +145,6 @@ class WebNavigationEventRouter : public TabStripModelObserver,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
-  // Handler for the NOTIFICATION_RETARGETING event. The method takes the
-  // details of such an event and stores them for the later
-  // NOTIFICATION_TAB_ADDED event.
-  void Retargeting(const RetargetingDetails* details);
-
   // Handler for the NOTIFICATION_TAB_ADDED event. The method takes the details
   // of such an event and creates a JSON formated extension event from it.
   void TabAdded(content::WebContents* tab);
@@ -155,7 +155,6 @@ class WebNavigationEventRouter : public TabStripModelObserver,
 
   // Mapping pointers to WebContents objects to information about how they got
   // created.
-  std::map<content::WebContents*, PendingWebContents> pending_web_contents_;
 
   // Used for tracking registrations to navigation notifications.
   content::NotificationRegistrar registrar_;