DevTools: Search across files should work for file:folderName queries.

Source/devtools/front_end/sdk/FileSystemWorkspaceBinding.js

 /*
  * Copyright (C) 2013 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 338 matching lines @@
         {
             var result = [];
             if (content !== null)
                 result = WebInspector.ContentProvider.performSearchInContent(content, query, caseSensitive, isRegex);
             callback(result);
         }
     },
 
     /**
      * @param {!WebInspector.ProjectSearchConfig} searchConfig
+     * @param {!Array.<string>} filesMathingFileQuery
      * @param {!WebInspector.Progress} progress
      * @param {function(!Array.<string>)} callback
      */
-    findFilesMatchingSearchRequest: function(searchConfig, progress, callback)
+    findFilesMatchingSearchRequest: function(searchConfig, filesMathingFileQuery, progress, callback)
     {
-        var result = null;
+        var result = filesMathingFileQuery;
         var queriesToRun = searchConfig.queries().slice();
         if (!queriesToRun.length)
             queriesToRun.push("");
         progress.setTotalWork(queriesToRun.length);
         searchNextQuery.call(this);
 
         /**
          * @this {WebInspector.FileSystemWorkspaceBinding.FileSystem}
          */
         function searchNextQuery()
         {
             if (!queriesToRun.length) {
-                matchFileQueries.call(null, result);
+                progress.done();
+                callback(result);
                 return;
             }
             var query = queriesToRun.shift();
             this._searchInPath(searchConfig.isRegex() ? "" : query, progress, innerCallback.bind(this));
         }
 
         /**
          * @param {!Array.<string>} files
          * @this {WebInspector.FileSystemWorkspaceBinding.FileSystem}
          */
         function innerCallback(files)
         {
             files = files.sort();
             progress.worked(1);
-            if (!result)
-                result = files;
-            else
-                result = result.intersectOrdered(files, String.naturalOrderComparator);
+            result = result.intersectOrdered(files, String.naturalOrderComparator);
             searchNextQuery.call(this);
         }
-
-        /**
-         * @param {!Array.<string>} files
-         */
-        function matchFileQueries(files)
-        {
-            files = files.filter(searchConfig.filePathMatchesFileQuery.bind(searchConfig));
-            progress.done();
-            callback(files);
-        }
     },
 
     /**
      * @param {string} query
      * @param {!WebInspector.Progress} progress
      * @param {function(!Array.<string>)} callback
      */
     _searchInPath: function(query, progress, callback)
     {
         var requestId = this._fileSystemWorkspaceBinding.registerCallback(innerCallback.bind(this));
@@ skipping 175 matching lines @@
     dispose: function()
     {
         this._workspace.removeProject(this._projectId);
     }
 }
 
 /**
  * @type {!WebInspector.FileSystemWorkspaceBinding}
  */
 WebInspector.fileSystemWorkspaceBinding;