Index: content/browser/frame_host/render_frame_host_manager.cc |
diff --git a/content/browser/frame_host/render_frame_host_manager.cc b/content/browser/frame_host/render_frame_host_manager.cc |
index b1344239af60b5cd03936f098e725ae94b4e965f..3396ac430ed77c9edc780844894ce09258c5a467 100644 |
--- a/content/browser/frame_host/render_frame_host_manager.cc |
+++ b/content/browser/frame_host/render_frame_host_manager.cc |
@@ -663,6 +663,7 @@ void RenderFrameHostManager::DiscardUnusedFrame( |
// Any currently suspended navigations are no longer needed. |
render_frame_host->CancelSuspendedNavigations(); |
+ CHECK(!GetRenderFrameProxyHost(site_instance)); |
RenderFrameProxyHost* proxy = |
new RenderFrameProxyHost(site_instance, frame_tree_node_); |
proxy_hosts_[site_instance->GetId()] = proxy; |