Remove --enable-strict-site-isolation

content/browser/site_instance_impl.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 "content/browser/site_instance_impl.h"
 
 #include "base/command_line.h"
 #include "content/browser/browsing_instance.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/frame_host/debug_urls.h"
@@ skipping 323 matching lines @@
       GetEffectiveURL(browser_context, url);
 }
 
 void SiteInstanceImpl::RenderProcessHostDestroyed(RenderProcessHost* host) {
   DCHECK_EQ(process_, host);
   process_->RemoveObserver(this);
   process_ = NULL;
 }
 
 void SiteInstanceImpl::LockToOrigin() {
-  // We currently only restrict this process to a particular site if the
-  // --enable-strict-site-isolation or --site-per-process flags are present.
+  // We currently only restrict this process to a particular site if --site-per-
+  // process flag is present.
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
-  if (command_line.HasSwitch(switches::kEnableStrictSiteIsolation) ||
-      command_line.HasSwitch(switches::kSitePerProcess)) {
+  if (command_line.HasSwitch(switches::kSitePerProcess)) {
     ChildProcessSecurityPolicyImpl* policy =
         ChildProcessSecurityPolicyImpl::GetInstance();
     policy->LockToOrigin(process_->GetID(), site_);
   }
 }
 
 }  // namespace content