Enable find-in-page across GuestViews.

extensions/browser/guest_view/mime_handler_view/mime_handler_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_MIME_HANDLER_VIEW_MIME_HANDLER_VIEW_GUEST_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_MIME_HANDLER_VIEW_MIME_HANDLER_VIEW_GUEST_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "components/guest_view/browser/guest_view.h"
@@ skipping 62 matching lines @@
  private:
   friend class TestMimeHandlerViewGuest;
 
   // GuestViewBase implementation.
   const char* GetAPINamespace() const final;
   int GetTaskPrefix() const final;
   void CreateWebContents(const base::DictionaryValue& create_params,
                          const WebContentsCreatedCallback& callback) override;
   void DidAttachToEmbedder() override;
   void DidInitialize(const base::DictionaryValue& create_params) final;
-  bool ShouldHandleFindRequestsForEmbedder() const final;
   bool ZoomPropagatesFromEmbedderToGuest() const final;
 
   // WebContentsDelegate implementation.
   content::WebContents* OpenURLFromTab(
       content::WebContents* source,
       const content::OpenURLParams& params) final;
   void NavigationStateChanged(content::WebContents* source,
                               content::InvalidateTypes changed_flags) final;
   bool HandleContextMenu(const content::ContextMenuParams& params) final;
   bool PreHandleGestureEvent(content::WebContents* source,
@@ skipping 16 matching lines @@
   int embedder_frame_process_id_;
   int embedder_frame_routing_id_;
   int embedder_widget_routing_id_;
 
   DISALLOW_COPY_AND_ASSIGN(MimeHandlerViewGuest);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_MIME_HANDLER_VIEW_MIME_HANDLER_VIEW_GUEST_H_