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

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

Index: sky/engine/bindings-dart/common/ScheduledAction.h
diff --git a/sky/engine/platform/fonts/FontPlatformFeatures.h b/sky/engine/bindings-dart/common/ScheduledAction.h
similarity index 81%
copy from sky/engine/platform/fonts/FontPlatformFeatures.h
copy to sky/engine/bindings-dart/common/ScheduledAction.h
index 0585176ce1b520f704e61a939c532dd271f644fb..3e3ae1c0be1d4284a428c7dec4b191090656d17d 100644
--- a/sky/engine/platform/fonts/FontPlatformFeatures.h
+++ b/sky/engine/bindings-dart/common/ScheduledAction.h
@@ -28,21 +28,25 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef SKY_ENGINE_PLATFORM_FONTS_FONTPLATFORMFEATURES_H_
-#define SKY_ENGINE_PLATFORM_FONTS_FONTPLATFORMFEATURES_H_
+#ifndef ScheduledAction_h
+#define ScheduledAction_h
 
-#include "sky/engine/platform/PlatformExport.h"
+#include "bindings/core/v8/ScriptSourceCode.h"
+#include "wtf/Noncopyable.h"
 
 namespace blink {
 
-class FontPlatformFeatures {
-public:
-    static bool canExpandAroundIdeographsInComplexText();
+class ExecutionContext;
 
-private:
-    FontPlatformFeatures();
+class ScheduledAction {
+    WTF_MAKE_NONCOPYABLE(ScheduledAction);
+protected:
+    ScheduledAction() { }
+public:
+    virtual ~ScheduledAction() { }
+    virtual void execute(ExecutionContext*) = 0;
 };
 
 } // namespace blink
 
-#endif  // SKY_ENGINE_PLATFORM_FONTS_FONTPLATFORMFEATURES_H_
+#endif // ScheduledAction_h