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.
+ * Copyright (C) 2011 Google Inc.  All rights reserved.

[acolwell GONE FROM CHROMIUM, 2013/11/28 03:02:17]

Since this is a new file to Blink, I believe this should only have the Google
Inc line and the copyright year should be 2013.

+ * Copyright (C) 2011, 2012, 2013 Apple 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
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * 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.
  */
 
 #include "config.h"
-#include "platform/PlatformThreadData.h"
+#include "core/html/track/TrackBase.h"
 
-#include "platform/ThreadTimers.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/ThreadSpecific.h"
+#include "core/html/HTMLMediaElement.h"
 
 namespace WebCore {
 
-static ThreadSpecific<PlatformThreadData>* s_data;
-
-PlatformThreadData::PlatformThreadData()
-    : m_threadTimers(adoptPtr(new ThreadTimers))
+TrackBase::TrackBase(Type type, const AtomicString& label, const AtomicString& language, const AtomicString& id)
+    : m_type(type)
+    , m_mediaElement(0)
+    , m_label(label)
+    , m_language(language)
+    , m_id(id)
 {
 }
 
-PlatformThreadData::~PlatformThreadData()
+TrackBase::~TrackBase()
 {
 }
 
-void PlatformThreadData::destroy()
+void TrackBase::setKind(const AtomicString& kind)
 {
-    m_threadTimers.clear();
-}
+    String oldKind = m_kind;
 
-PlatformThreadData& PlatformThreadData::current()
-{
-    if (!s_data)
-        s_data = new ThreadSpecific<PlatformThreadData>;
-    return **s_data;
+    if (isValidKind(kind))
+        m_kind = kind;
+    else
+        m_kind = defaultKind();
 }
 
 } // namespace WebCore
+