Add support for time based deletion of browsing data on iOS

ios/crnet/crnet_environment.mm

 // Copyright 2014 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 "ios/crnet/crnet_environment.h"
 
 #import <Foundation/Foundation.h>
 
 #include <utility>
 
@@ skipping 482 matching lines @@
       main_context_->http_user_agent_settings();
   if (!user_agent_settings) {
     return nullptr;
   }
 
   return user_agent_settings->GetUserAgent();
 }
 
 void CrNetEnvironment::ClearCache(ClearCacheCallback callback) {
   PostToNetworkThread(
-      FROM_HERE,
-      base::Bind(&net::ClearHttpCache, main_context_getter_,
-                 network_io_thread_->task_runner(), base::BindBlock(callback)));
+      FROM_HERE, base::Bind(&net::ClearHttpCache, main_context_getter_,
+                            network_io_thread_->task_runner(), base::Time(),
+                            base::Time::Max(), base::BindBlock(callback)));
 }