Find working in app_shell.

extensions/browser/guest_view/web_view/web_view_find_helper.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_FIND_HELPER_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_FIND_HELPER_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 18 matching lines @@
   void CancelAllFindSessions();
 
   // Dispatches the |findupdate| event.
   void DispatchFindUpdateEvent(bool canceled, bool final_update);
 
   // Ends the find session with id |session_request_id|  and calls the
   // appropriate callbacks.
   void EndFindSession(int session_request_id, bool canceled);
 
   // Helper function for WebViewGuest::Find().
-  void Find(
-      content::WebContents* guest_web_contents,
-      const base::string16& search_text,
-      const blink::WebFindOptions& options,
-      scoped_refptr<WebViewInternalFindFunction> find_function);
+  void Find(content::WebContents* guest_web_contents,
+            const base::string16& search_text,
+            const blink::WebFindOptions& options,
+            WebViewInternalFindFunction* find_function);
 
   // Helper function for WeViewGuest:FindReply().
   void FindReply(int request_id,
                  int number_of_matches,
                  const gfx::Rect& selection_rect,
                  int active_match_ordinal,
                  bool final_update);
 
  private:
   // A wrapper to store find results.
@@ skipping 40 matching lines @@
    private:
     const base::string16 search_text_;
     FindResults find_results_;
 
     DISALLOW_COPY_AND_ASSIGN(FindUpdateEvent);
   };
 
   // Handles all information about a find request and its results.
   class FindInfo {
    public:
-    FindInfo(
-        int request_id,
-        const base::string16& search_text,
-        const blink::WebFindOptions& options,
-        scoped_refptr<WebViewInternalFindFunction> find_function);
+    FindInfo(int request_id,
+             const base::string16& search_text,
+             const blink::WebFindOptions& options,
+             WebViewInternalFindFunction* find_function);

[Fady Samuel, 2014/09/18 16:49:48]

scoped_refptr?

     ~FindInfo();
 
     // Add another request to |find_next_requests_|.
     void AddFindNextRequest(const base::WeakPtr<FindInfo>& request) {
       find_next_requests_.push_back(request);
     }
 
     // Aggregate the find results.
     void AggregateResults(int number_of_matches,
                           const gfx::Rect& selection_rect,
@@ skipping 32 matching lines @@
     // A find reply has been received for this find request.
     bool replied_;
 
     // Stores pointers to all the find next requests if this is the first
     // request of a find session.
     std::vector<base::WeakPtr<FindInfo> > find_next_requests_;
 
     friend void WebViewFindHelper::EndFindSession(int session_request_id,
                                                   bool canceled);
 
-// Weak pointer used to access the find info of fin.
+    // Weak pointer used to access the find info of fin.
     base::WeakPtrFactory<FindInfo> weak_ptr_factory_;
 
     DISALLOW_COPY_AND_ASSIGN(FindInfo);
   };
 
   // Pointer to the webview that is being helped.
   WebViewGuest* const webview_guest_;
 
   // A counter to generate a unique request id for a find request.
   // We only need the ids to be unique for a given WebViewGuest.
   int current_find_request_id_;
 
   // Stores aggregated find results and other info for the |findupdate| event.
   scoped_ptr<FindUpdateEvent> find_update_event_;
 
   // Pointer to the first request of the current find session.
   linked_ptr<FindInfo> current_find_session_;
 
   // Stores each find request's information by request_id so that its callback
   // function can be called when its find results are available.
   typedef std::map<int, linked_ptr<FindInfo> > FindInfoMap;
   FindInfoMap find_info_map_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewFindHelper);
 };
 
 } // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_FIND_HELPER_H_