Apply dotted underline style to <abbr>

third_party/WebKit/Source/core/css/html.css

Index: third_party/WebKit/Source/core/css/html.css
diff --git a/third_party/WebKit/Source/core/css/html.css b/third_party/WebKit/Source/core/css/html.css
index 99c3ae22d743521f0e3e652d6483b1117cdb1d17..a0f1d9541605758b0b2046bab2efc27de0344ab4 100644
--- a/third_party/WebKit/Source/core/css/html.css
+++ b/third_party/WebKit/Source/core/css/html.css
@@ -909,6 +909,10 @@ u, ins {
     text-decoration: underline
 }
 
+abbr[title], acronym[title] {
+    text-decoration: dotted underline;
+}
+
 strong, b {
     font-weight: bold
 }