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

sky/engine/bindings-dart/common/AbstractScriptPromise.h

Index: sky/engine/bindings-dart/common/AbstractScriptPromise.h
diff --git a/sky/engine/bindings-dart/common/AbstractScriptPromise.h b/sky/engine/bindings-dart/common/AbstractScriptPromise.h
new file mode 100644
index 0000000000000000000000000000000000000000..692f9841c096a39178b8a81e137f24116e554e58
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+++ b/sky/engine/bindings-dart/common/AbstractScriptPromise.h
@@ -0,0 +1,43 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef AbstractScriptPromise_h
+#define AbstractScriptPromise_h
+
+#include "bindings/core/v8/ScriptFunction.h"
+#include "platform/heap/Handle.h"
+#include "wtf/PassOwnPtr.h"
+#include "wtf/PassRefPtr.h"
+#include <v8.h>
+
+namespace blink {
+
+class AbstractScriptPromise : public RefCounted<AbstractScriptPromise> {
+    WTF_MAKE_NONCOPYABLE(AbstractScriptPromise);
+public:
+    virtual ~AbstractScriptPromise() { }
+
+    virtual PassRefPtr<AbstractScriptPromise> then(PassOwnPtr<ScriptFunction> onFulfilled, PassOwnPtr<ScriptFunction> onRejected = PassOwnPtr<ScriptFunction>()) = 0;
+
+    virtual bool isDartScriptPromise() const { return false; }
+    virtual bool isV8ScriptPromise() const { return false; }
+    virtual bool equals(PassRefPtr<AbstractScriptPromise>) const = 0;
+
+    virtual bool isObject() const = 0;
+    virtual bool isNull() const = 0;
+    virtual bool isUndefinedOrNull() const = 0;
+    virtual bool isEmpty() const = 0;
+    virtual void clear() = 0;
+
+    // FIXMEMULTIVM: Remove.
+    virtual v8::Handle<v8::Value> v8Value() const = 0;
+    virtual v8::Isolate* isolate() const = 0;
+
+protected:
+    AbstractScriptPromise() { }
+};
+
+} // namespace blink
+
+#endif // AbstractScriptPromise_h