Remove old webui History page on desktop and mobile

chrome/common/chrome_switches.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/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "build/build_config.h"
 #include "ppapi/features/features.h"
@@ skipping 477 matching lines @@
 const char kForceFirstRun[]                 = "force-first-run";
 
 // Forces Chrome to use localNTP instead of server (GWS) NTP.
 const char kForceLocalNtp[]                 = "force-local-ntp";
 
 // Forces additional Chrome Variation Ids that will be sent in X-Client-Data
 // header, specified as a 64-bit encoded list of numeric experiment ids. Ids
 // prefixed with the character "t" will be treated as Trigger Variation Ids.
 const char kForceVariationIds[]             = "force-variation-ids";
 
-// Enables grouping websites by domain and filtering them by period.
-const char kHistoryEnableGroupByDomain[]    = "enable-grouped-history";
-
 // Specifies which page will be displayed in newly-opened tabs. We need this
 // for testing purposes so that the UI tests don't depend on what comes up for
 // http://google.com.
 const char kHomePage[]                      = "homepage";
 
 // The maximum number of retry attempts to resolve the host. Set this to zero
 // to disable host resolver retry attempts.
 const char kHostResolverRetryAttempts[]     = "host-resolver-retry-attempts";
 
 // Comma-separated list of rules that control how hostnames are mapped.
@@ skipping 670 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR VERY NICE FLAGS TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches