Dispatch IndexedDB IPC messages to worker threads

content/renderer/renderer_webkitplatformsupport_impl.cc

 // Copyright (c) 2011 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/renderer/renderer_webkitplatformsupport_impl.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/platform_file.h"
 #include "base/shared_memory.h"
 #include "base/utf_string_conversions.h"
 #include "content/common/database_util.h"
 #include "content/common/file_system/webfilesystem_impl.h"
 #include "content/common/file_utilities_messages.h"
 #include "content/common/mime_registry_messages.h"
 #include "content/common/npobject_util.h"
 #include "content/common/view_messages.h"
 #include "content/common/webblobregistry_impl.h"
 #include "content/common/webmessageportchannel_impl.h"
+#include "content/common/worker_task_runner.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/renderer/gamepad_shared_memory_reader.h"
 #include "content/renderer/gpu/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/renderer/media/audio_device.h"
 #include "content/renderer/media/audio_hardware.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/renderer_clipboard_client.h"
 #include "content/renderer/renderer_webaudiodevice_impl.h"
 #include "content/renderer/renderer_webidbfactory_impl.h"
@@ skipping 604 matching lines @@
  return WebKitPlatformSupportImpl::userAgent(url);
 }
 
 void RendererWebKitPlatformSupportImpl::GetPlugins(
     bool refresh, std::vector<webkit::WebPluginInfo>* plugins) {
   if (!RenderThreadImpl::current()->plugin_refresh_allowed())
     refresh = false;
   RenderThreadImpl::current()->Send(
       new ViewHostMsg_GetPlugins(refresh, plugins));
 }
+
+void RendererWebKitPlatformSupportImpl::didStartWorkerRunLoop(
+    const WebKit::WebWorkerRunLoop& runLoop) {
+  DCHECK(ChildThread::current());
+  WorkerTaskRunner* worker_tracker =
+      ChildThread::current()->worker_task_runner();
+  worker_tracker->RegisterCurrentWorkerLoop(runLoop);
+}
+
+void RendererWebKitPlatformSupportImpl::didStopWorkerRunLoop(
+    const WebKit::WebWorkerRunLoop& runLoop) {
+  DCHECK(ChildThread::current());
+  WorkerTaskRunner* worker_tracker =
+      ChildThread::current()->worker_task_runner();
+  worker_tracker->UnRegisterCurrentWorkerLoop(runLoop);
+}