Bug 890148 - Streamline transitions when showing the find appbar. r=mbrubeck

--HG--
extra : rebase_source : ce97851f3e729795871a9c4bb1ef38ae3b34635f

browser/metro/theme/browser.css

@@ -268,17 +268,18 @@ documenttab[selected] .documenttab-selection {
   transition-duration: .3s;
   transition-timing-function: ease-in-out;
 }
-
 #browsers browser {
-  transition: padding-bottom @metro_animation_duration@ @metro_animation_easing@;
+  /* unset padding-bottom immediately */
+  transition-duration: 0s;
+  transition-delay:    0s;
+  transition-property: padding-bottom;
 }
-
 #browsers[findbar] browser {
+  /* delay setting padding-bottom until the findbar has transitioned in */
+  transition-delay:    @metro_animation_duration@;
   padding-bottom: @findbar_height@;
 }
-
 /* Selection overlay and monocles */
-
 #page,
 .selection-overlay {
   -moz-stack-sizing: ignore;