Fix behavior of HTMLInputElement.maxLength/minLength getter

third_party/WebKit/public/web/WebInputElement.h

Index: third_party/WebKit/public/web/WebInputElement.h
diff --git a/third_party/WebKit/public/web/WebInputElement.h b/third_party/WebKit/public/web/WebInputElement.h
index f374d40732b9f2f4c3bb11a30dd45e01b2bf812e..b59025142f5797786bdc267ef0f6147617e84511 100644
--- a/third_party/WebKit/public/web/WebInputElement.h
+++ b/third_party/WebKit/public/web/WebInputElement.h
@@ -61,6 +61,9 @@ public:
     BLINK_EXPORT bool isImageButton() const;
     BLINK_EXPORT bool isRadioButton() const;
     BLINK_EXPORT bool isCheckbox() const;
+    // This has different behavior from 'maxLength' IDL attribute, it returns
+    // HTMLInputElement::maximumLength when no valid has been set,
+    // whereas 'maxLength' IDL attribute returns -1.
     BLINK_EXPORT int maxLength() const;
     BLINK_EXPORT void setActivatedSubmit(bool);
     BLINK_EXPORT int size() const;