Assertion removed in print_preview_pdf_generated.cc.

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

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_UI_H_
 
 #include <string>
 
+#include "base/callback_forward.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
 #include "chrome/browser/ui/webui/constrained_web_dialog_ui.h"
 
 class PrintPreviewDataService;
 class PrintPreviewHandler;
 struct PrintHostMsg_DidGetPreviewPageCount_Params;
 struct PrintHostMsg_RequestPrintPreview_Params;
 
@@ skipping 132 matching lines @@
     virtual void DidGetPreviewPageCount(int page_count) = 0;
     virtual void DidRenderPreviewPage(content::WebContents* preview_dialog) = 0;
   };
 
   static void SetDelegateForTesting(TestingDelegate* delegate);
 
   // Allows for tests to set a file path to print a PDF to. This also initiates
   // 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);
   FRIEND_TEST_ALL_PREFIXES(PrintPreviewHandlerTest, StickyMarginsDefault);
   FRIEND_TEST_ALL_PREFIXES(PrintPreviewHandlerTest,
                            StickyMarginsCustomThenDefault);
   FRIEND_TEST_ALL_PREFIXES(PrintPreviewHandlerTest,
                            GetLastUsedMarginSettingsCustom);
   FRIEND_TEST_ALL_PREFIXES(PrintPreviewHandlerTest,
                            GetLastUsedMarginSettingsDefault);
@@ skipping 25 matching lines @@
   // title.
   base::string16 initiator_title_;
 
   // Keeps track of whether OnClosePrintPreviewDialog() has been called or not.
   bool dialog_closed_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintPreviewUI);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_UI_H_