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

sky/engine/bindings-dart/core/dart/DartInjectedScriptHostHelper.h

Index: sky/engine/bindings-dart/core/dart/DartInjectedScriptHostHelper.h
diff --git a/LICENSE b/sky/engine/bindings-dart/core/dart/DartInjectedScriptHostHelper.h
similarity index 78%
copy from LICENSE
copy to sky/engine/bindings-dart/core/dart/DartInjectedScriptHostHelper.h
index 972bb2edb099e58b6a1939fa57f8e74391159c0c..5b2d152e76b9889703af7b545734705517836bc4 100644
--- a/LICENSE
+++ b/sky/engine/bindings-dart/core/dart/DartInjectedScriptHostHelper.h
@@ -1,4 +1,5 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2013, 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 +26,19 @@
 // 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.
+
+#ifndef DartInjectedScriptHostHelper_h
+#define DartInjectedScriptHostHelper_h
+
+#include <v8.h>
+
+namespace blink {
+
+class DartInjectedScriptHostHelper {
+public:
+    static v8::Handle<v8::Value> evaluateIfDartContext(v8::Handle<v8::Object> v8InjectedScriptHost, v8::Handle<v8::String> expression);
+};
+
+}
+
+#endif // DartInjectedScriptHostHelper_h