DevTools: Bring Sass support from behind the experiment

Source/devtools/front_end/DebuggerScriptMapping.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 42 matching lines @@
         var script = /** @type {WebInspector.Script} */ (event.data);
         this._defaultMapping.addScript(script);
 
         if (script.isSnippet()) {
             this._snippetMapping.addScript(script);
             return;
         }
 
         this._resourceMapping.addScript(script);
 
-        if (WebInspector.settings.sourceMapsEnabled.get())
+        if (WebInspector.settings.jsSourceMapsEnabled.get())
             this._compilerMapping.addScript(script);
     }
 }