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

chrome/browser/ui/views/constrained_window_views.cc

Index: chrome/browser/ui/views/constrained_window_views.cc
diff --git a/chrome/browser/ui/views/constrained_window_views.cc b/chrome/browser/ui/views/constrained_window_views.cc
index 658e32c254db2bd95a5c2eeadb5592b2040f43da..b0f3768a4376613dd0927c51095a6a10cda8b440 100644
--- a/chrome/browser/ui/views/constrained_window_views.cc
+++ b/chrome/browser/ui/views/constrained_window_views.cc
@@ -10,6 +10,7 @@
 #include "components/web_modal/popup_manager.h"
 #include "components/web_modal/web_contents_modal_dialog_host.h"
 #include "extensions/browser/guest_view/web_view/web_view_guest.h"
+#include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h"
 #include "ui/views/border.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_observer.h"
@@ -125,11 +126,18 @@ views::Widget* ShowWebModalDialogViews(
     content::WebContents* initiator_web_contents) {
   extensions::WebViewGuest* web_view_guest =
       extensions::WebViewGuest::FromWebContents(initiator_web_contents);
+  printf("web_view_guest: [%p]\n", web_view_guest);
+
+  extensions::MimeHandlerViewGuest* mime_handler_view_guest =
+      extensions::MimeHandlerViewGuest::FromWebContents(initiator_web_contents);
+  printf("mime_handler_view_guest: [%p]\n", web_view_guest);
   // For embedded WebContents, use the embedder's WebContents for constrained
   // window.
   content::WebContents* web_contents =
       web_view_guest && web_view_guest->embedder_web_contents() ?
-          web_view_guest->embedder_web_contents() : initiator_web_contents;
+          web_view_guest->embedder_web_contents() :
+          (mime_handler_view_guest && mime_handler_view_guest->embedder_web_contents() ?
+               mime_handler_view_guest->embedder_web_contents() : initiator_web_contents);
   views::Widget* widget = CreateWebModalDialogViews(dialog, web_contents);
   web_modal::PopupManager* popup_manager =
       web_modal::PopupManager::FromWebContents(web_contents);