DateComponents shouldn't use bloatedCharacters

Source/core/html/MonthInputType.cpp

Index: Source/core/html/MonthInputType.cpp
diff --git a/Source/core/html/MonthInputType.cpp b/Source/core/html/MonthInputType.cpp
index bf4f8b5c98cfda5bce5bcef95b7d32b7a0c5c88e..885f311eaddf3acb7ec59797bec769ad8de1d030 100644
--- a/Source/core/html/MonthInputType.cpp
+++ b/Source/core/html/MonthInputType.cpp
@@ -128,11 +128,11 @@ Decimal MonthInputType::parseToNumber(const String& src, const Decimal& defaultV
     return Decimal::fromDouble(months);
 }
 
-bool MonthInputType::parseToDateComponentsInternal(const UChar* characters, unsigned length, DateComponents* out) const
+bool MonthInputType::parseToDateComponentsInternal(const String& string, DateComponents* out) const
 {
     ASSERT(out);
     unsigned end;
-    return out->parseMonth(characters, length, 0, end) && end == length;
+    return out->parseMonth(string, 0, end) && end == string.length();
 }
 
 bool MonthInputType::setMillisecondToDateComponents(double value, DateComponents* date) const