Fix for 'Simple Adblock' extension crashes

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 5ce68b0a2aec33b93c2a8515a1acb60d01c3770f..39bfdec655a4d46089c76bd053f0333d84c1b492 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -3227,12 +3227,19 @@ void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
 }
 #endif  // OS_MACOSX
 
+void RenderViewImpl::OnClose() {
+  if (closing_)
+    RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
+  RenderWidget::OnClose();
+}
+
 void RenderViewImpl::Close() {
   // We need to grab a pointer to the doomed WebView before we destroy it.
   WebView* doomed = webview();
   RenderWidget::Close();
   g_view_map.Get().erase(doomed);
   g_routing_id_view_map.Get().erase(routing_id_);
+  RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
 }
 
 void RenderViewImpl::DidHandleKeyEvent() {