Force MimeHandlerView to always use BrowserPlugin

content/public/renderer/guest_mode.h

Index: content/public/renderer/guest_mode.h
diff --git a/content/public/renderer/guest_mode.h b/content/public/renderer/guest_mode.h
new file mode 100644
index 0000000000000000000000000000000000000000..6b28f84122ff028a3f40496699032cabae9eed7b
--- /dev/null
+++ b/content/public/renderer/guest_mode.h
@@ -0,0 +1,26 @@
+// Copyright 2016 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_RENDERER_GUEST_MODE_H_
+#define CONTENT_PUBLIC_RENDERER_GUEST_MODE_H_
+
+#include "base/macros.h"
+#include "content/common/content_export.h"
+
+namespace content {
+
+class CONTENT_EXPORT GuestMode {
+ public:
+  // Returns true if guests could be using cross process frames.
+  static bool UseCrossProcessFramesForGuests();
+
+ private:
+  GuestMode();
+
+  DISALLOW_COPY_AND_ASSIGN(GuestMode);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_RENDERER_GUEST_MODE_H_