Inside of content, prefer SiteInstanceImpl to SiteInstance.

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 "content/browser/browsing_instance.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/frame_host/debug_urls.h"
 #include "content/browser/frame_host/frame_tree_node.h"
@@ skipping 176 matching lines @@
 bool SiteInstanceImpl::HasSite() const {
   return has_site_;
 }
 
 bool SiteInstanceImpl::HasRelatedSiteInstance(const GURL& url) {
   return browsing_instance_->HasSiteInstance(url);
 }
 
 scoped_refptr<SiteInstance> SiteInstanceImpl::GetRelatedSiteInstance(
     const GURL& url) {
-  return browsing_instance_->GetSiteInstanceForURL(url);
+  return GetRelatedSiteInstanceImpl(url);
 }
 
 bool SiteInstanceImpl::IsRelatedSiteInstance(const SiteInstance* instance) {
   return browsing_instance_.get() == static_cast<const SiteInstanceImpl*>(
                                          instance)->browsing_instance_.get();
 }
 
 size_t SiteInstanceImpl::GetRelatedActiveContentsCount() {
   return browsing_instance_->active_contents_count();
 }
@@ skipping 12 matching lines @@
   if (IsRendererDebugURL(url))
     return false;
 
   // If the site URL is an extension (e.g., for hosted apps or WebUI) but the
   // process is not (or vice versa), make sure we notice and fix it.
   GURL site_url = GetSiteForURL(browsing_instance_->browser_context(), url);
   return !RenderProcessHostImpl::IsSuitableHost(
       GetProcess(), browsing_instance_->browser_context(), site_url);
 }
 
+scoped_refptr<SiteInstanceImpl> SiteInstanceImpl::GetRelatedSiteInstanceImpl(
+    const GURL& url) {
+  return browsing_instance_->GetSiteInstanceForURL(url);
+}
+
 scoped_refptr<SiteInstanceImpl>
 SiteInstanceImpl::GetDefaultSubframeSiteInstance() {
   return browsing_instance_->GetDefaultSubframeSiteInstance();
 }
 
 bool SiteInstanceImpl::RequiresDedicatedProcess() {
   if (!has_site_)
     return false;
 
   return DoesSiteRequireDedicatedProcess(GetBrowserContext(), site_);
@@ skipping 202 matching lines @@
             browsing_instance_->browser_context(), site_))
       return;
 
     ChildProcessSecurityPolicyImpl* policy =
         ChildProcessSecurityPolicyImpl::GetInstance();
     policy->LockToOrigin(process_->GetID(), site_);
   }
 }
 
 }  // namespace content