Import Dart bindings as of Blink r188698. This merely copies the files over and does not attach any…

sky/engine/bindings-dart/core/dart/custom/DartTrackEventCustom.cpp

Index: sky/engine/bindings-dart/core/dart/custom/DartTrackEventCustom.cpp
diff --git a/LICENSE b/sky/engine/bindings-dart/core/dart/custom/DartTrackEventCustom.cpp
similarity index 63%
copy from LICENSE
copy to sky/engine/bindings-dart/core/dart/custom/DartTrackEventCustom.cpp
index 972bb2edb099e58b6a1939fa57f8e74391159c0c..da2c56b0630965afefcbd2e5ea64941eaab469d7 100644
--- a/LICENSE
+++ b/sky/engine/bindings-dart/core/dart/custom/DartTrackEventCustom.cpp
@@ -1,4 +1,5 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2011, 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
@@ -25,3 +26,41 @@
 // 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 "bindings/core/dart/DartTrackEvent.h"
+
+#include "bindings/core/dart/DartTextTrack.h"
+#include "core/html/track/TrackBase.h"
+#include "core/html/track/TrackEvent.h"
+
+
+namespace blink {
+
+namespace DartTrackEventInternal {
+
+void trackGetter(Dart_NativeArguments args)
+{
+    TrackEvent* trackEvent = DartDOMWrapper::receiver<TrackEvent>(args);
+    TrackBase* track = trackEvent->track();
+
+    if (!track)
+        return;
+
+    switch (track->type()) {
+    case TrackBase::TextTrack:
+        DartTextTrack::returnToDart(args, static_cast<TextTrack*>(track));
+        return;
+    case TrackBase::AudioTrack:
+    case TrackBase::VideoTrack:
+        // This should not happen until VideoTrack and AudioTrack are implemented.
+        ASSERT_NOT_REACHED();
+        break;
+    }
+
+}
+
+}
+
+}