Bug 1329784 - avoid layout warnings in animation inspector debug tests;r=pbro

MozReview-Commit-ID: DmwfvvYyQOJ

--HG--
extra : rebase_source : f28a1887aa246f17fb19750e5325cfd5c500bd84

devtools/client/animationinspector/test/doc_keyframes.html

@@ -11,6 +11,8 @@
       0% {
         width: 100px;
         height: 100px;
+        /* Add a border here to avoid layout warnings in Linux debug builds: Bug 1329784 */
+        border: 1px solid transparent;
         border-radius: 0px;
         background: #f06;
       }

devtools/client/animationinspector/test/doc_multiple_animation_types.html

@@ -6,6 +6,8 @@
     .ball {
       width: 80px;
       height: 80px;
+      /* Add a border here to avoid layout warnings in Linux debug builds: Bug 1329784 */
+      border: 1px solid transparent;
       border-radius: 50%;
     }
 

devtools/client/animationinspector/test/doc_simple_animation.html

@@ -6,6 +6,8 @@
     .ball {
       width: 80px;
       height: 80px;
+      /* Add a border here to avoid layout warnings in Linux debug builds: Bug 1329784 */
+      border: 1px solid transparent;
       border-radius: 50%;
       background: #f06;