Add an experimental flag to change location.reload to take a hard-reload

chrome/browser/flag_descriptions.cc

 // Copyright 2017 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/browser/flag_descriptions.h"
 
 namespace flag_descriptions {
 
 //  Material Design version of chrome://bookmarks
 
@@ skipping 3002 matching lines @@
 
 const char kEnableOmniboxClipboardProviderName[] =
     "Omnibox clipboard URL suggestions";
 
 const char kEnableOmniboxClipboardProviderDescription[] =
     "Provide a suggestion of the URL stored in the clipboard (if any) upon "
     "focus in the omnibox.";
 
 #endif  // defined(OS_ANDROID)
 
+const char kLocationHardReloadName[] =
+    "Experimental change for Location.reload() to trigger a hard-reload.";
+
+const char kLocationHardReloadDescription[] =
+    "Enable an experimental change for Location.reload() to trigger a "
+    "hard-reload.";
+
 }  // namespace flag_descriptions