Deal with frame removal by content scripts

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index 5fa4a895e70f67ef7963f1c3eb6372ae03b0b472..a7d0931b4e2e5a1b27e110060191a223a1c4fd4b 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -1392,6 +1392,24 @@ void ChromeContentRendererClient::AddImageContextMenuProperties(
   }
 }
 
+void ChromeContentRendererClient::RunScriptsAtDocumentStart(
+    content::RenderFrame* render_frame) {
+#if defined(ENABLE_EXTENSIONS)
+  ChromeExtensionsRendererClient::GetInstance()->RunScriptsAtDocumentStart(
+      render_frame);
+  // |render_frame| might be dead by now.
+#endif
+}
+
+void ChromeContentRendererClient::RunScriptsAtDocumentEnd(
+    content::RenderFrame* render_frame) {
+#if defined(ENABLE_EXTENSIONS)
+  ChromeExtensionsRendererClient::GetInstance()->RunScriptsAtDocumentEnd(
+      render_frame);
+  // |render_frame| might be dead by now.
+#endif
+}
+
 void
 ChromeContentRendererClient::DidInitializeServiceWorkerContextOnWorkerThread(
     v8::Local<v8::Context> context,