Update WebFrameClient::didClearWindowObject API

content/shell/renderer/webkit_test_runner.cc

Index: content/shell/renderer/webkit_test_runner.cc
diff --git a/content/shell/renderer/webkit_test_runner.cc b/content/shell/renderer/webkit_test_runner.cc
index 67596c0350725830a25eb7209f23aa3edddb12cd..ceffa5b943cf05b485fa58892a8693f5d92bed94 100644
--- a/content/shell/renderer/webkit_test_runner.cc
+++ b/content/shell/renderer/webkit_test_runner.cc
@@ -558,13 +558,10 @@ std::string WebKitTestRunner::dumpHistoryForWindow(WebTestProxyBase* proxy) {
 
 // RenderViewObserver  --------------------------------------------------------
 
-void WebKitTestRunner::DidClearWindowObject(WebLocalFrame* frame,
-                                            int world_id) {
+void WebKitTestRunner::DidClearWindowObject(WebLocalFrame* frame) {
   WebTestingSupport::injectInternalsObject(frame);
-  if (world_id == 0) {
-    ShellRenderProcessObserver::GetInstance()->test_interfaces()->bindTo(frame);
-    GCController::Install(frame);
-  }
+  ShellRenderProcessObserver::GetInstance()->test_interfaces()->bindTo(frame);
+  GCController::Install(frame);
 }
 
 bool WebKitTestRunner::OnMessageReceived(const IPC::Message& message) {