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/DartPopStateEventCustom.cpp

Index: sky/engine/bindings-dart/core/dart/custom/DartPopStateEventCustom.cpp
diff --git a/LICENSE b/sky/engine/bindings-dart/core/dart/custom/DartPopStateEventCustom.cpp
similarity index 60%
copy from LICENSE
copy to sky/engine/bindings-dart/core/dart/custom/DartPopStateEventCustom.cpp
index 972bb2edb099e58b6a1939fa57f8e74391159c0c..73fe58673d4c6d89d839531e4eb629261353738f 100644
--- a/LICENSE
+++ b/sky/engine/bindings-dart/core/dart/custom/DartPopStateEventCustom.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/DartPopStateEvent.h"
+
+#include "bindings/core/dart/DartUtilities.h"
+
+namespace blink {
+
+namespace DartPopStateEventInternal {
+
+void stateGetter(Dart_NativeArguments args)
+{
+    Dart_Handle exception = 0;
+    {
+        PopStateEvent* receiver = DartDOMWrapper::receiver<PopStateEvent>(args);
+
+        RefPtr<SerializedScriptValue> serializedState = receiver->serializedState();
+        if (serializedState) {
+            // FIXME: Ensure this never returns 0.
+            Dart_Handle result = DartUtilities::serializedScriptValueToDart(serializedState);
+            if (result)
+                Dart_SetReturnValue(args, result);
+            return;
+        }
+
+        // FIXME: PopStateEvent::state() is V8 ScriptValue.
+        exception = DART_UNIMPLEMENTED_EXCEPTION();
+        goto fail;
+    }
+
+fail:
+    Dart_ThrowException(exception);
+    ASSERT_NOT_REACHED();
+}
+
+}
+
+}