Allow MimeHandlerViewGuest to be notified of StopFinding events.

extensions/browser/guest_view/web_view/web_view_guest.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_GUEST_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 
 #include <vector>
 
 #include "base/observer_list.h"
@@ skipping 151 matching lines @@
 
   // NotificationObserver implementation.
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   // Returns the current zoom factor.
   double zoom() const { return current_zoom_factor_; }
 
   // Begin or continue a find request.
-  void StartFinding(const base::string16& search_text,
-                    const blink::WebFindOptions& options,
-                    scoped_refptr<WebViewInternalFindFunction> find_function);
+  void StartFindInternal(
+      const base::string16& search_text,
+      const blink::WebFindOptions& options,
+      scoped_refptr<WebViewInternalFindFunction> find_function);
 
   // Conclude a find request to clear highlighting.
-  void StopFinding(content::StopFindAction);
+  void StopFindingInternal(content::StopFindAction);
 
   // If possible, navigate the guest to |relative_index| entries away from the
   // current navigation entry. Returns true on success.
   bool Go(int relative_index);
 
   // Reload the guest.
   void Reload();
 
   using PermissionResponseCallback =
       base::Callback<void(bool /* allow */,
@@ skipping 176 matching lines @@
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<WebViewGuest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewGuest);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_