Move code that applies to audio and video tracks into TrackBase.

Source/core/html/track/TrackBase.cpp

 /*
  * Copyright (C) 2013 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 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * 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.
  */
 
-#ifndef HTMLParserThread_h
-#define HTMLParserThread_h
-
-#include "wtf/Functional.h"
-#include "wtf/OwnPtr.h"
-#include "public/platform/WebThread.h"
+#include "config.h"
+#include "core/html/track/TrackBase.h"
 
 namespace WebCore {
 
-class HTMLParserThread {
-public:
-    static HTMLParserThread* shared();
-    void postTask(const Closure&);
+TrackBase::TrackBase(Type type, const AtomicString& label, const AtomicString& language, const AtomicString& id)
+    : m_type(type)
+    , m_label(label)
+    , m_language(language)
+    , m_id(id)
+{
+}
 
-private:
-    HTMLParserThread();
-    ~HTMLParserThread();
+TrackBase::~TrackBase()
+{
+}
 
-    OwnPtr<blink::WebThread> m_thread;
-};
+void TrackBase::setKind(const AtomicString& kind)
+{
+    if (isValidKind(kind))
+        m_kind = kind;
+    else
+        m_kind = defaultKind();
+}
 
 } // namespace WebCore
 
-#endif // HTMLParserThread_h