[Extensions] Update Error Console UI

chrome/browser/resources/extensions/extensions.css

Index: chrome/browser/resources/extensions/extensions.css
diff --git a/chrome/browser/resources/extensions/extensions.css b/chrome/browser/resources/extensions/extensions.css
index b761bf793ea71505ccde4e7b8a51cc408639d24b..f3a6a45e4593041f6056a63f02a48cffc7810f32 100644
--- a/chrome/browser/resources/extensions/extensions.css
+++ b/chrome/browser/resources/extensions/extensions.css
@@ -120,6 +120,14 @@ html:not(.focus-outline-visible)
   text-align: right;
 }
 
+.extension-code-empty {
+  background-color: #eee;
+  display: inline-block;
+  line-height: 100px;  /* vertically centers text and serves as min-height. */

[Dan Beam, 2015/03/31 00:33:50]

nit: Vertically

[Devlin, 2015/03/31 16:17:51]

Done.

+  text-align: center;
+  width: 100%;
+}
+
 .developer-extras > div,
 .permanent-warnings > div {
   margin: 5px 0;
@@ -221,6 +229,12 @@ html[dir='rtl'] .extension-list-item {
   -webkit-margin-start: 0;
 }
 
+.action-links .errors-link {
+  align-items: center;
+  display: inline-flex;
+  vertical-align: bottom;
+}
+
 .extension-details {
   -webkit-box-flex: 1;
   -webkit-padding-end: 7px;