Bug 624451 Toolkit update to Geometry.jsm r=Mossop a=blocking-fennec

toolkit/content/Geometry.jsm

@@ -299,10 +299,10 @@ Rect.prototype = {
 
   /** Ensure this rectangle is inside the other, if possible. Preserves w, h. */
   translateInside: function translateInside(other) {
-    let offsetX = (this.left < other.left ? other.left - this.left :
-        (this.right > other.right ? other.right - this.right : 0));
-    let offsetY = (this.top < other.top ? other.top - this.top :
-        (this.bottom > other.bottom ? other.bottom - this.bottom : 0));
+    let offsetX = (this.left <= other.left ? other.left - this.left :
+                  (this.right > other.right ? other.right - this.right : 0));
+    let offsetY = (this.top <= other.top ? other.top - this.top :
+                  (this.bottom > other.bottom ? other.bottom - this.bottom : 0));
     return this.translate(offsetX, offsetY);
   },