[CUPS] Implement the "Printers" section in chrome://settings.

chrome/common/url_constants.cc

 // 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.
 
 #include "chrome/common/url_constants.h"
 
 #include <algorithm>
 
 #include "base/macros.h"
 #include "build/build_config.h"
@@ skipping 111 matching lines @@
 const char kChromeUIOobeURL[] = "chrome://oobe/";
 const char kChromeUIOSCreditsURL[] = "chrome://os-credits/";
 const char kChromeUIProxySettingsURL[] = "chrome://proxy-settings/";
 const char kChromeUIScreenlockIconURL[] = "chrome://screenlock-icon/";
 const char kChromeUISetTimeURL[] = "chrome://set-time/";
 const char kChromeUISimUnlockURL[] = "chrome://sim-unlock/";
 const char kChromeUISlowURL[] = "chrome://slow/";
 const char kChromeUISystemInfoURL[] = "chrome://system/";
 const char kChromeUITermsOemURL[] = "chrome://terms/oem";
 const char kChromeUIUserImageURL[] = "chrome://userimage/";
-const char kChromeUIMdCupsSettingsURL[] = "chrome://settings/cupsPrinters";
+// TODO(xdai): Change it to chrome://settings/cupsPrinters after M56 since MD
+// settings is going to launch in Chrome OS in M57.
+const char kChromeUIMdCupsSettingsURL[] = "chrome://md-settings/cupsPrinters";
 #endif  // defined(OS_CHROMEOS)
 
 #if defined(OS_WIN)
 const char kChromeUIMetroFlowURL[] = "chrome://make-metro/";
 #endif
 
 #if (defined(OS_LINUX) && defined(TOOLKIT_VIEWS)) || defined(USE_AURA)
 const char kChromeUITabModalConfirmDialogURL[] =
     "chrome://tab-modal-confirm-dialog/";
 #endif
@@ skipping 656 matching lines @@
 #endif
 
 const char kChooserUsbOverviewURL[] =
     "https://support.google.com/chrome?p=webusb";
 
 #if defined(OS_CHROMEOS)
 const char kEolNotificationURL[] = "https://www.google.com/chromebook/older/";
 #endif
 
 }  // namespace chrome