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 3104 matching lines @@
 
 const char kEnableHeapProfilingTaskProfiler[] = "Enabled (task mode)";
 
 const char kUseSuggestionsEvenIfFewFeatureName[] =
     "Disable minimum for server-side tile suggestions on NTP.";
 
 const char kUseSuggestionsEvenIfFewFeatureDescription[] =
     "Request server-side suggestions even if there are only very few of them "
     "and use them for tiles on the New Tab Page.";
 
+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