Remove ExecutionContextTask subclasses from DOMFileSystem

third_party/WebKit/Source/modules/filesystem/DOMFileSystem.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 99 matching lines @@
 }
 
 bool DOMFileSystem::hasPendingActivity() const
 {
     ASSERT(m_numberOfPendingCallbacks >= 0);
     return m_numberOfPendingCallbacks;
 }
 
 void DOMFileSystem::reportError(ErrorCallback* errorCallback, FileError* fileError)
 {
-    scheduleCallback(errorCallback, fileError);
+    reportError(getExecutionContext(), errorCallback, fileError);
+}
+
+void DOMFileSystem::reportError(ExecutionContext* executionContext, ErrorCallback* errorCallback, FileError* fileError)
+{
+    if (errorCallback)
+        scheduleCallback(executionContext, createSameThreadTask(&ErrorCallback::handleEvent, wrapPersistent(errorCallback), wrapPersistent(fileError)));
 }
 
 namespace {
 
 class ConvertToFileWriterCallback : public FileWriterBaseCallback {
 public:
     static ConvertToFileWriterCallback* create(FileWriterCallback* callback)
     {
         return new ConvertToFileWriterCallback(callback);
     }
@@ skipping 45 matching lines @@
 }
 
 DEFINE_TRACE(DOMFileSystem)
 {
     DOMFileSystemBase::trace(visitor);
     ActiveDOMObject::trace(visitor);
     visitor->trace(m_rootEntry);
 }
 
 } // namespace blink