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

sky/engine/bindings-dart/core/dart/DartCustomElementBinding.cpp

Index: sky/engine/bindings-dart/core/dart/DartCustomElementBinding.cpp
diff --git a/sky/engine/core/frame/SettingsDelegate.cpp b/sky/engine/bindings-dart/core/dart/DartCustomElementBinding.cpp
similarity index 77%
copy from sky/engine/core/frame/SettingsDelegate.cpp
copy to sky/engine/bindings-dart/core/dart/DartCustomElementBinding.cpp
index b0503d946f08fee49b855cd8d6c22e0833120d1b..cc3e57863511412243b08e83dd23cbfcf8895e3a 100644
--- a/sky/engine/core/frame/SettingsDelegate.cpp
+++ b/sky/engine/bindings-dart/core/dart/DartCustomElementBinding.cpp
@@ -28,24 +28,20 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "sky/engine/config.h"
-#include "sky/engine/core/frame/SettingsDelegate.h"
-
-#include "sky/engine/core/frame/Settings.h"
+#include "config.h"
+#include "bindings/core/dart/DartCustomElementBinding.h"
 
 namespace blink {
 
-SettingsDelegate::SettingsDelegate(PassOwnPtr<Settings> settings)
-    : m_settings(settings)
+PassOwnPtr<DartCustomElementBinding> DartCustomElementBinding::create(Dart_Handle customType, intptr_t nativeClassId)
 {
-    if (m_settings)
-        m_settings->setDelegate(this);
+    return adoptPtr(new DartCustomElementBinding(customType, nativeClassId));
 }
 
-SettingsDelegate::~SettingsDelegate()
+DartCustomElementBinding::DartCustomElementBinding(Dart_Handle customType, intptr_t nativeClassId)
+    : m_customType(Dart_NewPersistentHandle(customType))
+    , m_nativeClassId(nativeClassId)
 {
-    if (m_settings)
-        m_settings->setDelegate(0);
 }
 
 } // namespace blink