third_party/WebKit/LayoutTests/fast/forms/search/search-vertical-alignment.html

<style>
    input { -webkit-appearance: none; }
</style>
<p>
    Test that search field text is vertically centered if the search field is
    taller than the text. In each of the following pairs of a search field and
    a text field, the vertical position of the text should be the
    same in both fields.
</p>
<p>
    <input type="search" value="Text" style="height: 45px;">
    <input type="text" value="Text" style="height: 45px;">
</p>
<p>
    <input type="search" value="Text" style="height: 16px;">
    <input type="text" value="Text" style="height: 16px;">
</p>
<p>
    <input type="search" value="Text" style="height: 12px;">
    <input type="text" value="Text" style="height: 12px;">
</p>