Transfer date/time value to the chooser as a double

public/web/WebDateTimeChooserParams.h

 /*
  * Copyright (C) 2012 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 met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 23 matching lines @@
 namespace blink {
 
 // This class conveys various information to make date/time chooser UI.
 // See WebViewClient::openDateTimeChooser.
 struct WebDateTimeChooserParams {
     // The type of chooser to show.
     WebDateTimeInputType type;
     // Bounding rectangle of the requester element.
     WebRect anchorRectInScreen;
     // The current value of the requester element.
+    // FIXME: Remove. Deprecated in favor of doubleValue.
     WebString currentValue;
+    // The current value of the requester element as a double.
+    // NaN means empty value. Should not be infinity.
+    double doubleValue;
     // <datalist> option values associated to the requester element. These
     // values should not be shown to users. The vector size might be 0.
     WebVector<WebString> suggestionValues;
     // Localized values of <datalist> options associated to the requester
     // element. These values should be shown to users. The vector size must be
     // same as suggestionValues size.
     WebVector<WebString> localizedSuggestionValues;
     // <datalist> option labels associated to the requester element. These
     // values should be shown to users. The vector size must be same as
     // suggestionValues size.
@@ skipping 22 matching lines @@
         , stepBase(0)
         , isRequired(false)
         , isAnchorElementRTL(false)
     {
     }
 };
 
 } // namespace blink
 
 #endif