DevTools: Fix initial match index showing in sources panel editor search.

Source/devtools/front_end/source_frame/SourceFrame.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 406 matching lines @@
      * @param {function(!WebInspector.View, number)} searchFinishedCallback
      */
     _doFindSearchMatches: function(searchConfig, shouldJump, jumpBackwards, searchFinishedCallback)
     {
         this._currentSearchResultIndex = -1;
         this._searchResults = [];
 
         var regex = WebInspector.SourceFrame._createSearchRegexForConfig(searchConfig);
         this._searchRegex = regex;
         this._searchResults = this._collectRegexMatches(regex);
+        searchFinishedCallback(this, this._searchResults.length);
         if (!this._searchResults.length)
             this._textEditor.cancelSearchResultsHighlight();
         else if (shouldJump && jumpBackwards)
             this.jumpToPreviousSearchResult();
         else if (shouldJump)
             this.jumpToNextSearchResult();
         else
             this._textEditor.highlightSearchResults(regex, null);
-        searchFinishedCallback(this, this._searchResults.length);
     },
 
     /**
      * @param {!WebInspector.SearchableView.SearchConfig} searchConfig
      * @param {boolean} shouldJump
      * @param {boolean} jumpBackwards
      * @param {function(!WebInspector.View, number)} searchFinishedCallback
      * @param {function(number)} currentMatchChangedCallback
      * @param {function()} searchResultsChangedCallback
      */
@@ skipping 562 matching lines @@
 
     /**
      * @param {?WebInspector.TextRange} from
      * @param {?WebInspector.TextRange} to
      */
     onJumpToPosition: function(from, to)
     {
         this._sourceFrame.onJumpToPosition(from, to);
     }
 }