supportsPlaceholder 1659 Source/core/html/HTMLInputElement.cpp bool HTMLInputElement::supportsPlaceholder() const supportsPlaceholder 53 Source/core/html/forms/BaseTextInputType.cpp bool BaseTextInputType::supportsPlaceholder() const supportsPlaceholder 736 Source/core/html/forms/InputType.cpp bool InputType::supportsPlaceholder() const supportsPlaceholder 265 Source/core/html/forms/NumberInputType.cpp bool NumberInputType::supportsPlaceholder() const