DevTools: [STRUCT] edit SASS through SourceMaps

Source/devtools/front_end/workspace/UISourceCode.js

Index: Source/devtools/front_end/workspace/UISourceCode.js
diff --git a/Source/devtools/front_end/workspace/UISourceCode.js b/Source/devtools/front_end/workspace/UISourceCode.js
index 0a2b564abe212a266887a760041a97fead4d1e83..bff5bdcc91e45a86794ae2f53d72b98b98195f90 100644
--- a/Source/devtools/front_end/workspace/UISourceCode.js
+++ b/Source/devtools/front_end/workspace/UISourceCode.js
@@ -244,6 +244,19 @@ WebInspector.UISourceCode.prototype = {
     },
 
     /**
+     * @return {!Promise.<?string>}
+     */
+    requestContentPromise: function()
+    {
+        return new Promise(promiseConstructor.bind(this));
+
+        function promiseConstructor(succ, fail)
+        {
+            this.requestContent(succ);
+        }
+    },
+
+    /**
      * @param {function()} callback
      */
     _pushCheckContentUpdatedCallback: function(callback)