Implement empty WorkerInternals interface.

content/shell/renderer/layout_test/layout_test_content_renderer_client.cc

 // Copyright (c) 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/shell/renderer/layout_test/layout_test_content_renderer_client.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/debug/debugger.h"
 #include "components/test_runner/mock_credential_manager_client.h"
@@ skipping 13 matching lines @@
 #include "content/shell/renderer/layout_test/blink_test_runner.h"
 #include "content/shell/renderer/layout_test/layout_test_render_frame_observer.h"
 #include "content/shell/renderer/layout_test/layout_test_render_thread_observer.h"
 #include "content/shell/renderer/layout_test/test_media_stream_renderer_factory.h"
 #include "content/shell/renderer/shell_render_view_observer.h"
 #include "content/test/mock_webclipboard_impl.h"
 #include "ppapi/shared_impl/ppapi_switches.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamCenter.h"
 #include "third_party/WebKit/public/platform/modules/app_banner/WebAppBannerClient.h"
 #include "third_party/WebKit/public/web/WebPluginParams.h"
+#include "third_party/WebKit/public/web/WebTestingSupport.h"
 #include "third_party/WebKit/public/web/WebView.h"
 #include "v8/include/v8.h"
 
 using blink::WebAudioDevice;
 using blink::WebClipboard;
 using blink::WebFrame;
 using blink::WebLocalFrame;
 using blink::WebMIDIAccessor;
 using blink::WebMIDIAccessorClient;
 using blink::WebMediaStreamCenter;
@@ skipping 157 matching lines @@
 std::unique_ptr<MediaStreamRendererFactory>
 LayoutTestContentRendererClient::CreateMediaStreamRendererFactory() {
 #if defined(ENABLE_WEBRTC)
   return std::unique_ptr<MediaStreamRendererFactory>(
       new TestMediaStreamRendererFactory());
 #else
   return nullptr;
 #endif
 }
 
+void LayoutTestContentRendererClient::DidInitializeWorkerContextOnWorkerThread(
+    v8::Local<v8::Context> context) {
+  blink::WebTestingSupport::injectInternalsObject(context);
+}
+
 }  // namespace content