Force MimeHandlerView to always use BrowserPlugin

content/public/browser/browser_plugin_guest_delegate.h

Index: content/public/browser/browser_plugin_guest_delegate.h
diff --git a/content/public/browser/browser_plugin_guest_delegate.h b/content/public/browser/browser_plugin_guest_delegate.h
index 4dd1a4cd732925d2cb2f18a6f4e31aa032101b5b..0f805651ba8bafe5240a5fbe5772e06d43a75081 100644
--- a/content/public/browser/browser_plugin_guest_delegate.h
+++ b/content/public/browser/browser_plugin_guest_delegate.h
@@ -92,6 +92,11 @@ class CONTENT_EXPORT BrowserPluginGuestDelegate {
   // 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 to force some types of guests to use
+  // a BrowserPlugin even when we are using cross process frames for guests. It
+  // should be removed after resolving https://crbug.com/642826).
+  virtual bool CanUseCrossProcessFrames();
 };
 
 }  // namespace content