Print Preview: Add a test for activating the initiator tab on print.

chrome/browser/ui/webui/print_preview_handler.h

 // Copyright (c) 2011 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_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_HANDLER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 47 matching lines @@
 
   // Called when print preview failed.
   void OnPrintPreviewFailed();
 
   // Called when the user press ctrl+shift+p to display the native system
   // dialog.
   void ShowSystemDialog();
 
  private:
   friend class PrintSystemTaskProxy;
+  FRIEND_TEST_ALL_PREFIXES(PrintPreviewHandlerTest,
+                           ActivateInitiatorTabOnPrint);
 
   TabContentsWrapper* preview_tab_wrapper() const;
   TabContents* preview_tab() const;
 
   // Gets the default printer. |args| is unused.
   void HandleGetDefaultPrinter(const base::ListValue* args);
 
   // Gets the list of printers. |args| is unused.
   void HandleGetPrinters(const base::ListValue* args);
 
@@ skipping 100 matching lines @@
   // Whether we have already logged a failed print preview.
   bool reported_failed_preview_;
 
   // Whether we have already logged the number of printers this session.
   bool has_logged_printers_count_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintPreviewHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_HANDLER_H_