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

chrome/browser/guest_view/mime_handler_view/chrome_mime_handler_view_guest_delegate.cc

Index: chrome/browser/guest_view/mime_handler_view/chrome_mime_handler_view_guest_delegate.cc
diff --git a/chrome/browser/guest_view/mime_handler_view/chrome_mime_handler_view_guest_delegate.cc b/chrome/browser/guest_view/mime_handler_view/chrome_mime_handler_view_guest_delegate.cc
new file mode 100644
index 0000000000000000000000000000000000000000..131faa2e5efbd30d9880d47a3a8c0e0cd78b792e
--- /dev/null
+++ b/chrome/browser/guest_view/mime_handler_view/chrome_mime_handler_view_guest_delegate.cc
@@ -0,0 +1,38 @@
+#include "chrome/browser/guest_view/mime_handler_view/chrome_mime_handler_view_guest_delegate.h"
+
+#include "chrome/browser/ui/pdf/chrome_pdf_web_contents_helper_client.h"
+#include "components/pdf/browser/pdf_web_contents_helper.h"
+
+#if defined(ENABLE_PRINTING)
+#if defined(ENABLE_FULL_PRINTING)
+#include "chrome/browser/printing/print_preview_message_handler.h"
+#include "chrome/browser/printing/print_view_manager.h"
+#else
+#include "chrome/browser/printing/print_view_manager_basic.h"
+#endif  // defined(ENABLE_FULL_PRINTING)
+#endif  // defined(ENABLE_PRINTING)
+
+ChromeMimeHandlerViewGuestDelegate::ChromeMimeHandlerViewGuestDelegate() {
+  printf("+ChromeMimeHandlerViewGuestDelegate\n");
+}
+
+ChromeMimeHandlerViewGuestDelegate::~ChromeMimeHandlerViewGuestDelegate() {
+  printf("-ChromeMimeHandlerViewGuestDelegate\n");
+}
+
+void ChromeMimeHandlerViewGuestDelegate::OnAttachHelpers(
+    content::WebContents* web_contents) {
+  printf("FINALLY, OnAttachHelpers, web_contents: [%p]\n", web_contents);
+#if defined(ENABLE_PRINTING)
+#if defined(ENABLE_FULL_PRINTING)
+  printing::PrintViewManager::CreateForWebContents(web_contents);
+  printing::PrintPreviewMessageHandler::CreateForWebContents(web_contents);
+#else
+  printing::PrintViewManagerBasic::CreateForWebContents(web_contents);
+#endif  // defined(ENABLE_FULL_PRINTING)
+#endif  // defined(ENABLE_PRINTING)
+  pdf::PDFWebContentsHelper::CreateForWebContentsWithClient(
+      web_contents,
+      scoped_ptr<pdf::PDFWebContentsHelperClient>(
+          new ChromePDFWebContentsHelperClient()));
+}