Do not remove -webkit-appearance:meter by background or border CSS properties.

third_party/WebKit/LayoutTests/fast/dom/HTMLMeterElement/meter-styles.html

Index: third_party/WebKit/LayoutTests/fast/dom/HTMLMeterElement/meter-styles.html
diff --git a/third_party/WebKit/LayoutTests/fast/dom/HTMLMeterElement/meter-styles.html b/third_party/WebKit/LayoutTests/fast/dom/HTMLMeterElement/meter-styles.html
index 4824bf69d8310fa2f265be3f51186f16e9d865f7..0d3867fd25fe6677154a4a5fdc3ece98fef543d3 100644
--- a/third_party/WebKit/LayoutTests/fast/dom/HTMLMeterElement/meter-styles.html
+++ b/third_party/WebKit/LayoutTests/fast/dom/HTMLMeterElement/meter-styles.html
@@ -31,7 +31,7 @@ if (window.testRunner)
       <li><meter style="border-color: #224; padding: 5px 20px 5px 10px;" min="0" max="100" low="30" high="60" optimum="100" value="80" ></meter> has padding</li>
       <li><meter style="border-color: #224; margin:  5px 20px 5px 10px;" min="0" max="100" low="30" high="60" optimum="100" value="80" ></meter> has margin</li>
       <li><meter style="box-shadow: 4px 4px 10px rgba(255,0,0,0.5), inset 4px 4px 4px rgba(0,255,0,0.5);"></meter> has box-shadow</li>
-      <li><meter style="background: blue; color: white;" value="50">50</meter> Background CSS property disables -webkit-appearance automatically.</li>
+      <li><meter style="background: blue; color: white;" value="50">50</meter> Background CSS property does not disable -webkit-appearance.</li>
     </ul>
   </div>
   <h2>Providing bar and/or value styles</h2>