Implement ProcessReusePolicy for SiteInstances

content/browser/browsing_instance.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/browsing_instance.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/common/site_isolation_policy.h"
@@ skipping 33 matching lines @@
   instance->SetSite(url);
   return instance;
 }
 
 scoped_refptr<SiteInstanceImpl>
 BrowsingInstance::GetDefaultSubframeSiteInstance() {
   // This should only be used for --top-document-isolation mode.
   CHECK(SiteIsolationPolicy::IsTopDocumentIsolationEnabled());
   if (!default_subframe_site_instance_) {
     SiteInstanceImpl* instance = new SiteInstanceImpl(this);
-    instance->set_is_default_subframe_site_instance();
+    instance->set_process_reuse_policy(
+        SiteInstanceImpl::ProcessReusePolicy::USE_DEFAULT_SUBFRAME_PROCESS);
 
     // TODO(nick): This is a hack for now.
     instance->SetSite(GURL("http://web-subframes.invalid"));
 
     default_subframe_site_instance_ = instance;
   }
 
   return make_scoped_refptr(default_subframe_site_instance_);
 }
 
@@ skipping 38 matching lines @@
 }
 
 BrowsingInstance::~BrowsingInstance() {
   // We should only be deleted when all of the SiteInstances that refer to
   // us are gone.
   DCHECK(site_instance_map_.empty());
   DCHECK_EQ(0u, active_contents_count_);
 }
 
 }  // namespace content