Implement window.print() on Android

chrome/browser/printing/print_job.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_PRINTING_PRINT_JOB_H_
 #define CHROME_BROWSER_PRINTING_PRINT_JOB_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 38 matching lines @@
                   int page_count);
 
   // content::NotificationObserver implementation.
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   // PrintJobWorkerOwner implementation.
   void GetSettingsDone(const PrintSettings& new_settings,
                        PrintingContext::Result result) override;
+
+  void ShowSystemDialogDone(PrintingContext::Result result) override;
+
+
   PrintJobWorker* DetachWorker(PrintJobWorkerOwner* new_owner) override;
   const PrintSettings& settings() const override;
   int cookie() const override;
 
   // Starts the actual printing. Signals the worker that it should begin to
   // spool as soon as data is available.
   void StartPrinting();
 
   // Asks for the worker thread to finish its queued tasks and disconnects the
   // delegate object. The PrintJobManager will remove its reference. This may
@@ skipping 148 matching lines @@
   scoped_refptr<PrintedDocument> document_;
   scoped_refptr<PrintedPage> page_;
   const Type type_;
 
   DISALLOW_COPY_AND_ASSIGN(JobEventDetails);
 };
 
 }  // namespace printing
 
 #endif  // CHROME_BROWSER_PRINTING_PRINT_JOB_H_