Bug 409478 - Use translucent autoscroll cursor on Mac. r=Mano, a=beltzner.

toolkit/content/widgets/browser.xml

@@ -734,9 +734,9 @@
             // we need these attributes so themers don't need to create per-platform packages
             if (screen.colorDepth > 8) { // need high color for transparency
               // Exclude second-rate platforms
-              this._autoScrollPopup.setAttribute("transparent", !/BeOS|Mac|OS\/2|Photon/.test(navigator.appVersion));
-              // Enable translucency on W2K+ (but not WinNT4.0)
-              this._autoScrollPopup.setAttribute("translucent", /^Windows NT /.test(navigator.oscpu));
+              this._autoScrollPopup.setAttribute("transparent", !/BeOS|OS\/2|Photon/.test(navigator.appVersion));
+              // Enable translucency on Windows and Mac
+              this._autoScrollPopup.setAttribute("translucent", /Win|Mac/.test(navigator.platform));
             }
 
             this._scrollingView = event.originalTarget.ownerDocument.defaultView;

toolkit/themes/pinstripe/global/global.css

@@ -244,13 +244,14 @@ browser {
   padding: 0;
   background-image: url("chrome://global/skin/icons/autoscroll.png");
   background-color: transparent;
+  background-position: right top;
   -moz-appearance: none;
 }
 
 #autoscroller[scrolldir="NS"] {
-  background-position: left center;
+  background-position: right center;
 }
 
 #autoscroller[scrolldir="EW"] {
-  background-position: left bottom;
+  background-position: right bottom;
 }