Merge 97959 - Web Inspector: Enable support for advanced search in script's static content provider.

Source/WebCore/inspector/front-end/ScriptsPanel.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 625 matching lines @@
     },
 
     showAnchorLocation: function(anchor)
     {
         this._showSourceLine(anchor.uiSourceCode, anchor.lineNumber);
     },
 
     _showSourceLine: function(uiSourceCode, lineNumber)
     {
         var sourceFrame = this._showSourceFrameAndAddToHistory(uiSourceCode);
-        if (lineNumber)
+        if (typeof lineNumber === "number")
             sourceFrame.highlightLine(lineNumber);
     },
 
     _showSourceFrameAndAddToHistory: function(uiSourceCode)
     {
         if (!uiSourceCode._option)
             return;
 
         var sourceFrame = this._showSourceFrame(uiSourceCode);
 
@@ skipping 633 matching lines @@
     },
 
     suggestedFileName: function()
     {
         var names = this._scriptsPanel._folderAndDisplayNameForScriptURL(this._uiSourceCode.url);
         return names.displayName || "untitled.js";
     }
 }
 
 WebInspector.SourceFrameDelegateForScriptsPanel.prototype.__proto__ = WebInspector.SourceFrameDelegate.prototype;