[CUPS] Implement the UI handler for adding a new printer.

chrome/browser/resources/settings/printing_page/cups_printers_browser_proxy.js

Index: chrome/browser/resources/settings/printing_page/cups_printers_browser_proxy.js
diff --git a/chrome/browser/resources/settings/printing_page/cups_printers_browser_proxy.js b/chrome/browser/resources/settings/printing_page/cups_printers_browser_proxy.js
index c866a6c6978960a37ca43fe02bb48e9459b9b135..3b4e4e24b326df715866d08787def2f53b723ba3 100644
--- a/chrome/browser/resources/settings/printing_page/cups_printers_browser_proxy.js
+++ b/chrome/browser/resources/settings/printing_page/cups_printers_browser_proxy.js
@@ -49,13 +49,19 @@ cr.define('settings', function() {
 
     /**
      * @param {string} printerId
+     * @param {string} printerName
      */
-    removeCupsPrinter: function(printerId) {},
+    removeCupsPrinter: function(printerId, printerName) {},
 
     /**
      * @return {!Promise<string>} The full path of the printer PPD file.
      */
     getCupsPrinterPPDPath: function() {},
+
+    /**
+     * @param {!CupsPrinterInfo} newPrinter
+     */
+    addCupsPrinter: function(newPrinter) {},
   };
 
   /**
@@ -77,8 +83,13 @@ cr.define('settings', function() {
     },
 
     /** @override */
-    removeCupsPrinter: function(printerId) {
-      chrome.send('removeCupsPrinter', [printerId]);
+    removeCupsPrinter: function(printerId, printerName) {
+      chrome.send('removeCupsPrinter', [printerId, printerName]);
+    },
+
+    /** @override */
+    addCupsPrinter: function(newPrinter) {
+      chrome.send('addCupsPrinter', [newPrinter]);
     },
 
     /** @override */