disable "always raised" "feature" of help on Mac OS X. We'd need a more robust z-level impl for this to work and that is too difficult for this late in the game (Apple bug makes it hard). b=404283 r=mano ui-r=beltzner

toolkit/components/help/content/contextHelp.js

@@ -65,7 +65,14 @@ function openHelp(topic, contentPack)
     params.SetString(1, topic);
     const ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
                          .getService(Components.interfaces.nsIWindowWatcher);
+#ifdef XP_WIN
+#define HELP_ALWAYS_RAISED_TOGGLE
+#endif
+#ifdef HELP_ALWAYS_RAISED_TOGGLE
     ww.openWindow(null, "chrome://help/content/help.xul", "_blank", "chrome,all,alwaysRaised,dialog=no", params);
+#else
+    ww.openWindow(null, "chrome://help/content/help.xul", "_blank", "chrome,all,dialog=no", params);
+#endif
   }
 }
 

toolkit/components/help/content/help.js

@@ -785,13 +785,10 @@ function getXulWin()
 }
 
 # toggleZLevel - Toggles whether or not the window will always appear on top. Because
-#   alwaysRaised is not supported on an OS other than Windows and Mac OS X, this code
-#   will not appear in those builds.
+#   alwaysRaised is not supported on an OS other than Windows, this code will not
+#   appear in those builds.
 #
 #   element - The DOM node that persists the checked state.
-#ifdef XP_MACOSX
-#define HELP_ALWAYS_RAISED_TOGGLE
-#endif
 #ifdef XP_WIN
 #define HELP_ALWAYS_RAISED_TOGGLE
 #endif

toolkit/components/help/content/help.xul

@@ -55,9 +55,6 @@
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
         width="700"
         height="550"
-#ifdef XP_MACOSX
-#define HELP_ALWAYS_RAISED_TOGGLE
-#endif
 #ifdef XP_WIN
 #define HELP_ALWAYS_RAISED_TOGGLE
 #endif

toolkit/components/help/content/helpContextOverlay.xul

@@ -75,9 +75,6 @@
       		label="&fullZoomReduceBtn.label;"
       		accesskey="&fullZoomReduceBtn.accesskey;"
       		oncommand="ZoomManager.reduce();"/>
-#ifdef XP_MACOSX
-#define HELP_ALWAYS_RAISED_TOGGLE
-#endif
 #ifdef XP_WIN
 #define HELP_ALWAYS_RAISED_TOGGLE
 #endif