Deal with frame removal by content scripts

chrome/renderer/extensions/chrome_extensions_renderer_client.cc

Index: chrome/renderer/extensions/chrome_extensions_renderer_client.cc
diff --git a/chrome/renderer/extensions/chrome_extensions_renderer_client.cc b/chrome/renderer/extensions/chrome_extensions_renderer_client.cc
index 66fca4c0054b1a21f7305d9f826acbd1628d4eef..f803bf50b9ec9860e73ff8406f032be3ddb41a9d 100644
--- a/chrome/renderer/extensions/chrome_extensions_renderer_client.cc
+++ b/chrome/renderer/extensions/chrome_extensions_renderer_client.cc
@@ -303,3 +303,13 @@ ChromeExtensionsRendererClient::CreateBrowserPluginDelegate(
   return new extensions::MimeHandlerViewContainer(render_frame, mime_type,
                                                   original_url);
 }
+
+void ChromeExtensionsRendererClient::RunScriptsAtDocumentStart(
+    content::RenderFrame* render_frame) {
+  extension_dispatcher_->RunScriptsAtDocumentStart(render_frame);
+}
+
+void ChromeExtensionsRendererClient::RunScriptsAtDocumentEnd(
+    content::RenderFrame* render_frame) {
+  extension_dispatcher_->RunScriptsAtDocumentEnd(render_frame);
+}