Add UMA counter for hung renderers on cross-site navigation.

content/browser/web_contents/render_view_host_manager.cc

Index: content/browser/web_contents/render_view_host_manager.cc
diff --git a/content/browser/web_contents/render_view_host_manager.cc b/content/browser/web_contents/render_view_host_manager.cc
index 4af01d6ebc0f82aacbd8aa0c72b1bdd816d60456..04150496949db6b6fbef21b22c733413a924a91f 100644
--- a/content/browser/web_contents/render_view_host_manager.cc
+++ b/content/browser/web_contents/render_view_host_manager.cc
@@ -195,6 +195,8 @@ bool RenderViewHostManager::ShouldCloseTabOnUnresponsiveRenderer() {
     // handler later finishes, this call will be ignored because the state in
     // CrossSiteResourceHandler will already be cleaned up.)
     ViewMsg_SwapOut_Params params;
+    params.closing_process_id = render_view_host_->GetProcess()->GetID();
+    params.closing_route_id = render_view_host_->GetRoutingID();
     params.new_render_process_host_id =
         pending_render_view_host_->GetProcess()->GetID();
     params.new_request_id = pending_request_id;