Deal with frame removal by content scripts

extensions/shell/renderer/shell_content_renderer_client.cc

Index: extensions/shell/renderer/shell_content_renderer_client.cc
diff --git a/extensions/shell/renderer/shell_content_renderer_client.cc b/extensions/shell/renderer/shell_content_renderer_client.cc
index 7dc2aaaac7f129389b354825aadde305a78c7e8c..92b71496687c69f4ac141abd458315193aae82c2 100644
--- a/extensions/shell/renderer/shell_content_renderer_client.cc
+++ b/extensions/shell/renderer/shell_content_renderer_client.cc
@@ -133,6 +133,16 @@ ShellContentRendererClient::CreateBrowserPluginDelegate(
   }
 }
 
+void ShellContentRendererClient::RunScriptsAtDocumentStart(
+    content::RenderFrame* render_frame) {
+  extension_dispatcher_->RunScriptsAtDocumentStart(render_frame);
+}
+
+void ShellContentRendererClient::RunScriptsAtDocumentEnd(
+    content::RenderFrame* render_frame) {
+  extension_dispatcher_->RunScriptsAtDocumentEnd(render_frame);
+}
+
 ExtensionsClient* ShellContentRendererClient::CreateExtensionsClient() {
   return new ShellExtensionsClient;
 }