Expose WorkerPool to blink

third_party/WebKit/Source/platform/threading/BackgroundTaskRunner.h

Index: third_party/WebKit/Source/platform/threading/BackgroundTaskRunner.h
diff --git a/third_party/WebKit/Source/platform/threading/BackgroundTaskRunner.h b/third_party/WebKit/Source/platform/threading/BackgroundTaskRunner.h
new file mode 100644
index 0000000000000000000000000000000000000000..ff2e94a1450fec4f415634b52e021634d2cba7ad
--- /dev/null
+++ b/third_party/WebKit/Source/platform/threading/BackgroundTaskRunner.h
@@ -0,0 +1,27 @@
+// Copyright 2015 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.
+
+#ifndef BackgroundTaskRunner_h
+#define BackgroundTaskRunner_h
+
+#include "platform/PlatformExport.h"
+#include "wtf/Functional.h"
+#include "wtf/PassOwnPtr.h"
+
+namespace blink {
+
+namespace BackgroundTaskRunner {
+
+enum TaskSize {
+    TaskSizeShortRunningTask,
+    TaskSizeLongRunningTask,
+};
+
+PLATFORM_EXPORT void postOnBackgroundThread(PassOwnPtr<Closure>, TaskSize);
+
+} // BackgroundTaskRunner
+
+} // blink
+
+#endif