Implement window.print() on Android

chrome/browser/printing/printer_query.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_PRINTER_QUERY_H_
 #define CHROME_BROWSER_PRINTING_PRINTER_QUERY_H_
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/printing/print_job_worker_owner.h"
 #include "printing/print_job_constants.h"
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace printing {
 
 class PrintDestinationInterface;
 class PrintJobWorker;
 
 // Query the printer for settings.
 class PrinterQuery : public PrintJobWorkerOwner {
  public:
   // GetSettings() UI parameter.
-  enum GetSettingsAskParam {
+  enum class GetSettingsAskParam {
     DEFAULTS,
     ASK_USER,
   };
 
   PrinterQuery(int render_process_id, int render_view_id);
 
   // PrintJobWorkerOwner implementation.
   void GetSettingsDone(const PrintSettings& new_settings,
                        PrintingContext::Result result) override;
   PrintJobWorker* DetachWorker(PrintJobWorkerOwner* new_owner) override;
   const PrintSettings& settings() const override;
   int cookie() const override;
 
   // Initializes the printing context. It is fine to call this function multiple
   // times to reinitialize the settings. |web_contents_observer| can be queried
   // to find the owner of the print setting dialog box. It is unused when
   // |ask_for_user_settings| is DEFAULTS.
   void GetSettings(
       GetSettingsAskParam ask_user_for_settings,
       int expected_page_count,
       bool has_selection,
       MarginType margin_type,
+      bool is_scripted,
       const base::Closure& callback);
 
   // Updates the current settings with |new_settings| dictionary values.
   void SetSettings(scoped_ptr<base::DictionaryValue> new_settings,
                    const base::Closure& callback);
 
   // Stops the worker thread since the client is done with this object.
   void StopWorker();
 
   // Returns true if a GetSettings() call is pending completion.
@@ skipping 29 matching lines @@
 
   // Callback waiting to be run.
   base::Closure callback_;
 
   DISALLOW_COPY_AND_ASSIGN(PrinterQuery);
 };
 
 }  // namespace printing
 
 #endif  // CHROME_BROWSER_PRINTING_PRINTER_QUERY_H_