Force MimeHandlerView to always use BrowserPlugin

components/guest_view/browser/guest_view_manager.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 COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_MANAGER_H_
 #define COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_MANAGER_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 110 matching lines @@
       const GURL& guest_site);
 
   // BrowserPluginGuestManager implementation.
   content::WebContents* GetGuestByInstanceID(
       int owner_process_id,
       int element_instance_id) override;
   bool ForEachGuest(content::WebContents* owner_web_contents,
                     const GuestCallback& callback) override;
   content::WebContents* GetFullPageGuest(
       content::WebContents* embedder_web_contents) override;
+  bool IsForMimeHandlerViewGuest(content::WebContents* web_contents) override;
 
  protected:
   friend class GuestViewBase;
   friend class GuestViewEvent;
   friend class GuestViewMessageFilter;
 
   class EmbedderRenderProcessHostObserver;
 
   // These methods are virtual so that they can be overriden in tests.
 
@@ skipping 129 matching lines @@
   // call into this GuestViewManager after it has been destroyed.
   base::WeakPtrFactory<GuestViewManager> weak_ptr_factory_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(GuestViewManager);
 };
 
 }  // namespace guest_view
 
 #endif  // COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_MANAGER_H_