Bug 994758 - Rename tabHeight define to tabMinHeight, which is more accurate. r=dao.

browser/themes/osx/browser.css

@@ -85,7 +85,7 @@
  * tabstrip can overlap it.
  */
 #main-window[tabsintitlebar] > #titlebar {
-  min-height: calc(@tabHeight@ + @spaceAboveTabbar@ - @tabToolbarNavbarOverlap@);
+  min-height: calc(@tabMinHeight@ + @spaceAboveTabbar@ - @tabToolbarNavbarOverlap@);
 }
 
 /**
@@ -2803,8 +2803,8 @@ toolbarbutton.chevron > .toolbarbutton-menu-dropmarker {
   content: '';
   display: block;
   -moz-appearance: toolbar;
-  height: @tabHeight@;
-  margin-bottom: -@tabHeight@;
+  height: @tabMinHeight@;
+  margin-bottom: -@tabMinHeight@;
   visibility: hidden;
 }
 
@@ -3972,7 +3972,7 @@ toolbarbutton.chevron > .toolbarbutton-menu-dropmarker {
      * not displayed in native full-screen.
      * Also add the height of the tabs, since we're calculating the
      * total height of this pseudo-element, not just the top-padding. */
-    height: calc(@tabHeight@ + @spaceAboveTabbar@) !important;
+    height: calc(@tabMinHeight@ + @spaceAboveTabbar@) !important;
   }
   #main-window[inFullscreen][privatebrowsingmode=temporary] {
     /* Adjust by the full element height of #titlebar, since that element is

browser/themes/shared/browser.inc

@@ -12,4 +12,4 @@
 
 %define inAnyPanel :-moz-any(:not([cui-areatype="toolbar"]), [overflowedItem=true])
 %define tabToolbarNavbarOverlap 1px
-%define tabHeight 31px
+%define tabMinHeight 31px

browser/themes/shared/tabs.inc.css

@@ -20,7 +20,7 @@
 }
 
 #tabbrowser-tabs {
-  min-height: @tabHeight@;
+  min-height: @tabMinHeight@;
 }
 
 .tabbrowser-tab,
@@ -118,7 +118,7 @@
 .tab-background-end,
 .tab-background-end[selected=true]::after,
 .tab-background-end[selected=true]::before {
-  min-height: @tabHeight@;
+  min-height: @tabMinHeight@;
   width: @tabCurveWidth@;
 }