Prepare for date/time input datalist support

Source/core/html/HTMLInputElement.cpp

Index: Source/core/html/HTMLInputElement.cpp
diff --git a/Source/core/html/HTMLInputElement.cpp b/Source/core/html/HTMLInputElement.cpp
index cf8ff23e6d3f33d0beaf50c0b7278d4f12b00381..8e19987bce428357cf4d2349b2622a4a4276b0ec 100644
--- a/Source/core/html/HTMLInputElement.cpp
+++ b/Source/core/html/HTMLInputElement.cpp
@@ -1831,7 +1831,7 @@ bool HTMLInputElement::setupDateTimeChooserParameters(DateTimeChooserParameters&
     }
 
     parameters.anchorRectInRootView = document().view()->contentsToRootView(pixelSnappedBoundingBox());
-    parameters.currentValue = value();
+    parameters.currentValue = m_inputType->valueAsDouble();
     parameters.isAnchorElementRTL = computedStyle()->direction() == RTL;
     if (RuntimeEnabledFeatures::dataListElementEnabled()) {
         if (HTMLDataListElement* dataList = this->dataList()) {
@@ -1839,9 +1839,11 @@ bool HTMLInputElement::setupDateTimeChooserParameters(DateTimeChooserParameters&
             for (unsigned i = 0; HTMLOptionElement* option = toHTMLOptionElement(options->item(i)); ++i) {
                 if (!isValidValue(option->value()))
                     continue;
-                parameters.suggestionValues.append(sanitizeValue(option->value()));
-                parameters.localizedSuggestionValues.append(localizeValue(option->value()));
-                parameters.suggestionLabels.append(option->value() == option->label() ? String() : option->label());
+                DateTimeSuggestion suggestion;
+                suggestion.value = m_inputType->parseToNumber(option->value(), -1).toDouble();
+                suggestion.localizedValue = localizeValue(option->value());
+                suggestion.label = option->value() == option->label() ? String() : option->label();
+                parameters.suggestions.append(suggestion);
             }
         }
     }