Force MimeHandlerView to always use BrowserPlugin

components/guest_view/browser/guest_view_base.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_BASE_H_
 #define COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_BASE_H_
 
 #include <memory>
 #include <queue>
 
@@ skipping 66 matching lines @@
   static GuestViewBase* From(int owner_process_id, int instance_id);
 
   // Given a |web_contents|, returns the top level owner WebContents. If
   // |web_contents| does not belong to a GuestView, it will be returned
   // unchanged.
   static content::WebContents* GetTopLevelWebContents(
       content::WebContents* web_contents);
 
   static bool IsGuest(content::WebContents* web_contents);
 
+  // TODO(ekaramad): This is used in forcing MimeHandlerView always use a
+  // BrowserPlugin rather than <iframe> (OOPIF). Remove this when we fix
+  // https://crbug.com/563285.
+  static bool IsForMimeHandlerViewGuest(content::WebContents* web_contents);
+
   // Returns the name of the derived type of this GuestView.
   virtual const char* GetViewType() const = 0;
 
   // This method queries whether autosize is supported for this particular view.
   // By default, autosize is not supported. Derived classes can override this
   // behavior to support autosize.
   virtual bool IsAutoSizeSupported() const;
 
   // This method queries whether preferred size events are enabled for this
   // view. By default, preferred size events are disabled, since they add a
@@ skipping 382 matching lines @@
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<GuestViewBase> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GuestViewBase);
 };
 
 }  // namespace guest_view
 
 #endif  // COMPONENTS_GUEST_VIEW_BROWSER_GUEST_VIEW_BASE_H_