Add chrome://site-engagement WebUI.

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/basictypes.h"
 #include "content/public/common/url_constants.h"
@@ skipping 211 matching lines @@
 const char kChromeUIUserManagerHost[] = "user-manager";
 const char kChromeUIPredictorsHost[] = "predictors";
 const char kChromeUIProfilerHost[] = "profiler";
 const char kChromeUIQuotaInternalsHost[] = "quota-internals";
 const char kChromeUIQuitHost[] = "quit";
 const char kChromeUIRestartHost[] = "restart";
 const char kChromeUISettingsHost[] = "settings";
 const char kChromeUISettingsFrameHost[] = "settings-frame";
 const char kChromeUIShorthangHost[] = "shorthang";
 const char kChromeUISignInInternalsHost[] = "signin-internals";
+const char kChromeUISiteEngagementHost[] = "site-engagement";
 const char kChromeUISuggestionsHost[] = "suggestions";
 const char kChromeUISupervisedUserInternalsHost[] = "supervised-user-internals";
 const char kChromeUISupervisedUserPassphrasePageHost[] =
     "managed-user-passphrase";
 const char kChromeUISyncHost[] = "sync";
 const char kChromeUISyncFileSystemInternalsHost[] = "syncfs-internals";
 const char kChromeUISyncInternalsHost[] = "sync-internals";
 const char kChromeUISyncResourcesHost[] = "syncresources";
 const char kChromeUISystemInfoHost[] = "system";
 const char kChromeUITermsHost[] = "terms";
@@ skipping 500 matching lines @@
     "https://support.google.com/chrome/?p=ui_mac_32bit_support";
 #else
     "";
 #endif
 #endif
 
 const char kEasyUnlockLearnMoreUrl[] =
     "https://support.google.com/chromebook/?p=smart_lock";
 
 }  // namespace chrome