Prepare for color input datalist support on Android

Source/platform/ColorSuggestion.h

Index: Source/platform/ColorSuggestion.h
diff --git a/Source/core/dom/Promise.h b/Source/platform/ColorSuggestion.h
similarity index 83%
copy from Source/core/dom/Promise.h
copy to Source/platform/ColorSuggestion.h
index 2c842aa4c117365f9c564c21d18cf38dc6a1a6d4..c012792e7effb0a37ca73f1c0601f6bf2baa9089 100644
--- a/Source/core/dom/Promise.h
+++ b/Source/platform/ColorSuggestion.h
@@ -28,19 +28,24 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-// FIXME: This file should be deleted.
-#ifndef Promise_h
-#define Promise_h
+#ifndef ColorSuggestion_h
+#define ColorSuggestion_h
 
-#include "wtf/RefCounted.h"
+#include "platform/graphics/Color.h"
+#include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
-// An empty class. This is here because a generated file use it.
-class Promise : public RefCounted<Promise> {
+struct ColorSuggestion {
+    Color color;
+    String label;
+
+    ColorSuggestion(const Color& colorValue, const String& label)
+    : color(colorValue)
+    , label(label)
+    { }
 };
 
 } // namespace WebCore
 
-
-#endif // Promise_h
+#endif // ColorSuggestion_h