[CUPS] Fix the Printer protocol string that displays in the UI.

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

Index: chrome/browser/resources/settings/printing_page/cups_printer_details_page.js
diff --git a/chrome/browser/resources/settings/printing_page/cups_printer_details_page.js b/chrome/browser/resources/settings/printing_page/cups_printer_details_page.js
index 931c553fbd4816176a1a5a19ad99b52e41fff33b..c6c9f2edce3ed49f273670eaf15a44d80edc2baf 100644
--- a/chrome/browser/resources/settings/printing_page/cups_printer_details_page.js
+++ b/chrome/browser/resources/settings/printing_page/cups_printer_details_page.js
@@ -48,4 +48,29 @@ Polymer({
       return;  // Already handled.
     this.advancedExpanded = !this.advancedExpanded;
   },
+
+  /**
+   * @param {string} printerProtocol
+   * @return {string} The Printer's protocol that displays in UI
+   * @private
+   */
+  getPrinterProtocol_: function(printerProtocol) {
+    if (!printerProtocol)
+      return '';
+    if (printerProtocol == 'ipp')
+      return loadTimeData.getString('printerProtocolIpp');
+    if (printerProtocol == 'ipps')
+      return loadTimeData.getString('printerProtocolIpps');
+    if (printerProtocol == 'http')
+      return loadTimeData.getString('printerProtocolHttp');
+    if (printerProtocol == 'https')
+      return loadTimeData.getString('printerProtocolHttps');
+    if (printerProtocol == 'socket')
+      return loadTimeData.getString('printerProtocolAppSocket');
+    if (printerProtocol == 'lpd')
+      return loadTimeData.getString('printerProtocolLpd');
+    if (printerProtocol == 'usb')
+      return loadTimeData.getString('printerProtocolUsb');
+    assertNotReached('Illegal printer protocol!');
+  },
 });