DateComponents shouldn't use bloatedCharacters

Source/core/html/DateInputType.cpp

Index: Source/core/html/DateInputType.cpp
diff --git a/Source/core/html/DateInputType.cpp b/Source/core/html/DateInputType.cpp
index 40ffc25a225556678e2e2b46977dd03182f03c61..d53ec400c47a3230f9b5bc9a793af260c53c64dd 100644
--- a/Source/core/html/DateInputType.cpp
+++ b/Source/core/html/DateInputType.cpp
@@ -84,11 +84,11 @@ StepRange DateInputType::createStepRange(AnyStepHandling anyStepHandling) const
     return StepRange(stepBase, minimum, maximum, step, stepDescription);
 }
 
-bool DateInputType::parseToDateComponentsInternal(const UChar* characters, unsigned length, DateComponents* out) const
+bool DateInputType::parseToDateComponentsInternal(const String& string, DateComponents* out) const
 {
     ASSERT(out);
     unsigned end;
-    return out->parseDate(characters, length, 0, end) && end == length;
+    return out->parseDate(string, 0, end) && end == string.length();
 }
 
 bool DateInputType::setMillisecondToDateComponents(double value, DateComponents* date) const