Remove unused WorkerThread::postDelayedTask().

third_party/WebKit/Source/core/workers/WorkerThread.cpp

Index: third_party/WebKit/Source/core/workers/WorkerThread.cpp
diff --git a/third_party/WebKit/Source/core/workers/WorkerThread.cpp b/third_party/WebKit/Source/core/workers/WorkerThread.cpp
index b566aea85a2e0035a0d767818bae7eafabc176d3..9a6f1095e66558e422ed673166248ad820fe8877 100644
--- a/third_party/WebKit/Source/core/workers/WorkerThread.cpp
+++ b/third_party/WebKit/Source/core/workers/WorkerThread.cpp
@@ -388,11 +388,6 @@ void WorkerThread::postTask(const WebTraceLocation& location, PassOwnPtr<Executi
     backingThread().postTask(location, createWorkerThreadTask(task, true));
 }
 
-void WorkerThread::postDelayedTask(const WebTraceLocation& location, PassOwnPtr<ExecutionContextTask> task, long long delayMs)
-{
-    backingThread().postDelayedTask(location, createWorkerThreadTask(task, true), delayMs);
-}
-
 void WorkerThread::initializeBackingThread()
 {
     ASSERT(isCurrentThread());