Specify TaskType of posted Task explicitly in DataTransferItem (1)

third_party/WebKit/Source/core/dom/StringCallback.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/dom/StringCallback.h"
 
 #include "core/dom/ExecutionContext.h"
 #include "core/dom/ExecutionContextTask.h"
+#include "core/dom/TaskRunnerHelper.h"
 #include "public/platform/WebTraceLocation.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
-void StringCallback::scheduleCallback(StringCallback* callback,
+void StringCallback::scheduleCallback(TaskType taskType,
+                                      StringCallback* callback,
                                       ExecutionContext* context,
                                       const String& data,
                                       const String& instrumentationName) {
-  context->postTask(BLINK_FROM_HERE,
+  context->postTask(taskType, BLINK_FROM_HERE,
                     createSameThreadTask(&StringCallback::handleEvent,
                                          wrapPersistent(callback), data),
                     instrumentationName);
 }
 
 }  // namespace blink