Change getAccessToken and getExtensionPrinterAccess to sendWithPromise

chrome/browser/ui/webui/print_preview/print_preview_handler.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_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_HANDLER_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 205 matching lines @@
   void HandleGetPrivetPrinterCapabilities(const base::ListValue* arg);
 
   // Requests an extension managed printer's capabilities.
   // |arg| contains the ID of the printer whose capabilities are requested.
   void HandleGetExtensionPrinterCapabilities(const base::ListValue* args);
 
   void SendInitialSettings(const std::string& callback_id,
                            const std::string& default_printer);
 
   // Send OAuth2 access token.
-  void SendAccessToken(const std::string& type,
+  void SendAccessToken(const std::string& callback_id,
                        const std::string& access_token);
 
+  // Send message indicating a request for token was already in progress.
+  void SendRequestInProgress(const std::string& callback_id);
+
   // Sends the printer capabilities to the Web UI. |settings_info| contains
   // printer capabilities information. If |settings_info| is empty, sends
   // error notification to the Web UI instead.
   void SendPrinterCapabilities(
       const std::string& callback_id,
       const std::string& printer_name,
       std::unique_ptr<base::DictionaryValue> settings_info);
 
   // Send the result of performing printer setup. |settings_info| contains
   // printer capabilities.
@@ skipping 88 matching lines @@
   //     are loaded (when |done| = true)
   // |printers|: The list of printers managed by the extension.
   // |done|: Whether all the extensions have reported the list of printers
   //     they manage.
   void OnGotPrintersForExtension(const std::string& callback_id,
                                  const base::ListValue& printers,
                                  bool done);
 
   // Called when an extension reports information requested for a provisional
   // printer.
-  // |printer_id|: The provisional printer id.
+  // |callback_id|: The javascript callback to resolve or reject.
   // |printer_info|: The data reported by the extension.
-  void OnGotExtensionPrinterInfo(const std::string& printer_id,
+  void OnGotExtensionPrinterInfo(const std::string& callback_id,
                                  const base::DictionaryValue& printer_info);
 
   // Called when an extension reports the set of print capabilites for a
   // printer.
   // |callback_id|: The Javascript callback to reject or resolve
   // |capabilities|: The printer capabilities.
   void OnGotExtensionPrinterCapabilities(
       const std::string& callback_id,
       const base::DictionaryValue& capabilities);
 
@@ skipping 62 matching lines @@
   // Proxy for calls to the print backend.  Lazily initialized since web_ui() is
   // not available at construction time.
   std::unique_ptr<printing::PrinterBackendProxy> printer_backend_proxy_;
 
   base::WeakPtrFactory<PrintPreviewHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintPreviewHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_HANDLER_H_