[DevTools] Don't load sourcemap for blackboxed scripts

third_party/WebKit/Source/devtools/front_end/bindings/DebuggerWorkspaceBinding.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @constructor
  * @implements {WebInspector.TargetManager.Observer}
  * @param {!WebInspector.TargetManager} targetManager
  * @param {!WebInspector.Workspace} workspace
  * @param {!WebInspector.NetworkMapping} networkMapping
@@ skipping 225 matching lines @@
      */
     sourceMapForScript: function(script)
     {
         var targetData = this._targetToData.get(script.target());
         if (!targetData)
             return null;
         return targetData._compilerMapping.sourceMapForScript(script);
     },
 
     /**
+     * @param {!WebInspector.Script} script
+     */
+    maybeLoadSourceMap: function(script)
+    {
+        var targetData = this._targetToData.get(script.target());
+        if (!targetData)
+            return;
+        targetData._compilerMapping.maybeLoadSourceMap(script);
+    },
+
+    /**
      * @param {!WebInspector.Event} event
      */
     _globalObjectCleared: function(event)
     {
         var debuggerModel = /** @type {!WebInspector.DebuggerModel} */ (event.target);
         this._reset(debuggerModel.target());
     },
 
     /**
      * @param {!WebInspector.Target} target
@@ skipping 327 matching lines @@
      * @param {number} lineNumber
      * @return {boolean}
      */
     uiLineHasMapping: function(uiSourceCode, lineNumber) { }
 }
 
 /**
  * @type {!WebInspector.DebuggerWorkspaceBinding}
  */
 WebInspector.debuggerWorkspaceBinding;