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content/browser/site_instance_impl.cc

Index: content/browser/site_instance_impl.cc
diff --git a/content/browser/site_instance_impl.cc b/content/browser/site_instance_impl.cc
index 9f88bafc19e967fae60f63a46c3761e9d350cc67..243bcfddfa61e9e02ba4b7eac1a3f16fb829d043 100644
--- a/content/browser/site_instance_impl.cc
+++ b/content/browser/site_instance_impl.cc
@@ -24,11 +24,7 @@ const RenderProcessHostFactory*
 int32_t SiteInstanceImpl::next_site_instance_id_ = 1;
 
 SiteInstanceImpl::SiteInstanceImpl(BrowsingInstance* browsing_instance)
-    : id_(next_site_instance_id_++),
-      active_frame_count_(0),
-      browsing_instance_(browsing_instance),
-      process_(NULL),
-      has_site_(false) {
+    : id_(next_site_instance_id_++), browsing_instance_(browsing_instance) {
   DCHECK(browsing_instance);
 }
 
@@ -211,11 +207,15 @@ bool SiteInstanceImpl::HasWrongProcessForURL(const GURL& url) {
       GetProcess(), browsing_instance_->browser_context(), site_url);
 }
 
+SiteInstance* SiteInstanceImpl::GetDefaultSubframeSiteInstance() {
+  return browsing_instance_->GetDefaultSubframeSiteInstance();
+}
+
 bool SiteInstanceImpl::RequiresDedicatedProcess() {
   if (!has_site_)
     return false;
-  return SiteInstanceImpl::DoesSiteRequireDedicatedProcess(GetBrowserContext(),
-                                                           site_);
+
+  return DoesSiteRequireDedicatedProcess(GetBrowserContext(), site_);
 }
 
 void SiteInstanceImpl::IncrementActiveFrameCount() {
@@ -379,7 +379,7 @@ bool SiteInstanceImpl::DoesSiteRequireDedicatedProcess(
 void SiteInstanceImpl::RenderProcessHostDestroyed(RenderProcessHost* host) {
   DCHECK_EQ(process_, host);
   process_->RemoveObserver(this);
-  process_ = NULL;
+  process_ = nullptr;
 }
 
 void SiteInstanceImpl::RenderProcessWillExit(RenderProcessHost* host) {