Assertion removed in print_preview_pdf_generated.cc.

chrome/browser/ui/webui/print_preview/print_preview_ui.h

Index: chrome/browser/ui/webui/print_preview/print_preview_ui.h
diff --git a/chrome/browser/ui/webui/print_preview/print_preview_ui.h b/chrome/browser/ui/webui/print_preview/print_preview_ui.h
index be4f82b75d50accba488ae80ea4e4fd65cf5d240..42996e23adf45c0b5f0af10c525cde4eeca4a57b 100644
--- a/chrome/browser/ui/webui/print_preview/print_preview_ui.h
+++ b/chrome/browser/ui/webui/print_preview/print_preview_ui.h
@@ -7,6 +7,7 @@
 
 #include <string>
 
+#include "base/callback_forward.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
@@ -159,6 +160,11 @@ class PrintPreviewUI : public ConstrainedWebDialogUI {
   // the printing without having to click a button on the print preview dialog.
   void SetSelectedFileForTesting(const base::FilePath& path);
 
+  // Calls |handler->SetPdfSavedClosureForTesting()|. Allows for tests waiting

[Lei Zhang, 2014/07/22 21:25:37]

Since PrintPreviewUI doesn't actually do anything interesting with |closure|,
just right "Passes |closure| to
PrintPreviewHandler::SetPdfSavedClosureForTesting()."

Then in the PrintPreviewHandler::SetPdfSavedClosureForTesting() comments,
describe what it actually does.

[ivandavid, 2014/07/22 21:46:07]

Done.

+  // to see if an attempt to save the PDF was made. It doesn't notify the test
+  // if the save was successful for not.
+  void SetPdfSavedClosureForTesting(const base::Closure& closure);
+
  private:
   friend class PrintPreviewHandlerTest;
   FRIEND_TEST_ALL_PREFIXES(PrintPreviewHandlerTest, StickyMarginsCustom);