Force MimeHandlerView to always use BrowserPlugin

content/public/browser/browser_plugin_guest_delegate.h

 // Copyright 2013 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 CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_
 
 #include "base/callback_forward.h"
 #include "base/process/kill.h"
 #include "content/common/content_export.h"
@@ skipping 74 matching lines @@
 
   // Provides the delegate with an interface with which to communicate with the
   // content module.
   virtual void SetGuestHost(GuestHost* guest_host) {}
 
   // Sets the position of the context menu for the guest contents. The value
   // reported from the guest renderer should be ignored. The reported value
   // fromt he guest renderer is incorrect in situations where BrowserPlugin is
   // subject to CSS transforms.
   virtual void SetContextMenuPosition(const gfx::Point& position) {}
+
+  // TODO(ekaramad): A short workaround for MimeHandlerView to always use a
+  // BrowserPlugin even when guests are based on OOPIF. This is should be
+  // removed after MimeHandlerView is implemented based on OOPIF.
+  // (https://crbug.com/563285).
+  virtual bool IsMimeHandlerViewGuest();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_