[WORK_IN_PROGRESS] PDF::Save() fix for out-of-process-pdf.

extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h

Index: extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h
diff --git a/extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h b/extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..bdecd64457602ad561b55381f02f704a07283f28
--- /dev/null
+++ b/extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest_delegate.h
@@ -0,0 +1,27 @@
+#ifndef EXTENSIONS_BROWSER_GUEST_VIEW_MIME_HANDLER_VIEW_MIME_HANDLER_VIEW_GUEST_DELEGATE_H_
+#define EXTENSIONS_BROWSER_GUEST_VIEW_MIME_HANDLER_VIEW_MIME_HANDLER_VIEW_GUEST_DELEGATE_H_
+
+#include "base/macros.h"
+
+namespace content {
+class WebContents;
+}  // namespace content
+
+namespace extensions {
+
+class MimeHandlerViewGuest;
+
+class MimeHandlerViewGuestDelegate {
+ public:
+  MimeHandlerViewGuestDelegate() {}
+  virtual ~MimeHandlerViewGuestDelegate() {}
+
+  virtual void OnAttachHelpers(content::WebContents* web_contents) {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MimeHandlerViewGuestDelegate);
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_BROWSER_GUEST_VIEW_MIME_HANDLER_VIEW_MIME_HANDLER_VIEW_GUEST_DELEGATE_H_