Make net-internals work a bit better on Android.

chrome/browser/resources/net_internals/events_view.css

Index: chrome/browser/resources/net_internals/events_view.css
===================================================================
--- chrome/browser/resources/net_internals/events_view.css	(revision 151563)
+++ chrome/browser/resources/net_internals/events_view.css	(working copy)
@@ -6,13 +6,10 @@
 #events-view-filter-box {
   background: #efefef;
   border-bottom: 1px solid #aaa;
+  font-family: sans-serif;
+  font-size: 75%;
   overflow: hidden;
   padding: 5px;
-}
-
-#events-view-filter-box * {
-  font-family: sans-serif;
-  font-size: 12px;
   white-space: nowrap;
 }
 
@@ -45,7 +42,7 @@
 #events-view-source-list-table td {
   border-bottom: 1px solid #afafaf;
   border-left: 1px solid #afafaf;
-  font-size: 12px;
+  font-size: 75%;
   padding: 3px;
   text-overflow: ellipsis;
   white-space: nowrap;