Have the unload event execute in background on cross-site navigations

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 8fec4e016f74d876e583b6f6ecb8f34c8dbbc3d3..2202c444284ab7db5aa329546097014dbf092f5f 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -2705,7 +2705,8 @@ void WebContentsImpl::RenderViewCreated(RenderViewHost* render_view_host) {
   // Don't send notifications if we are just creating a swapped-out RVH for
   // the opener chain.  These won't be used for view-source or WebUI, so it's
   // ok to return early.
-  if (static_cast<RenderViewHostImpl*>(render_view_host)->is_swapped_out())
+  if (static_cast<RenderViewHostImpl*>(render_view_host)->rvh_state() ==
+      RenderViewHostImpl::RVH_STATE_SWAPPED_OUT)
     return;
 
   if (delegate_)
@@ -3126,7 +3127,8 @@ void WebContentsImpl::RequestOpenURL(RenderViewHost* rvh,
                                      bool user_gesture) {
   // If this came from a swapped out RenderViewHost, we only allow the request
   // if we are still in the same BrowsingInstance.
-  if (static_cast<RenderViewHostImpl*>(rvh)->is_swapped_out() &&
+  if (static_cast<RenderViewHostImpl*>(rvh)->rvh_state() ==
+          RenderViewHostImpl::RVH_STATE_SWAPPED_OUT &&
       !rvh->GetSiteInstance()->IsRelatedSiteInstance(GetSiteInstance())) {
     return;
   }
@@ -3296,7 +3298,8 @@ void WebContentsImpl::RunJavaScriptMessage(
   // showing an interstitial as it's shown over the previous page and we don't
   // want the hidden page's dialogs to interfere with the interstitial.
   bool suppress_this_message =
-      static_cast<RenderViewHostImpl*>(rvh)->is_swapped_out() ||
+      static_cast<RenderViewHostImpl*>(rvh)->rvh_state() ==
+      RenderViewHostImpl::RVH_STATE_SWAPPED_OUT ||
       ShowingInterstitialPage() ||
       !delegate_ ||
       delegate_->ShouldSuppressDialogs() ||
@@ -3341,7 +3344,7 @@ void WebContentsImpl::RunBeforeUnloadConfirm(RenderViewHost* rvh,
     delegate_->WillRunBeforeUnloadConfirm();
 
   bool suppress_this_message =
-      rvhi->is_swapped_out() ||
+      rvhi->rvh_state() != RenderViewHostImpl::RVH_STATE_LIVE ||
       !delegate_ ||
       delegate_->ShouldSuppressDialogs() ||
       !delegate_->GetJavaScriptDialogManager();