DevTools: cleanup script UISourceCodes on executionContextDestroyed

third_party/WebKit/Source/devtools/front_end/sdk/Script.js

 /*
  * Copyright (C) 2008 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 47 matching lines @@
       sourceMapURL,
       hasSourceURL) {
     this.debuggerModel = debuggerModel;
     this.scriptId = scriptId;
     this.sourceURL = sourceURL;
     this.lineOffset = startLine;
     this.columnOffset = startColumn;
     this.endLine = endLine;
     this.endColumn = endColumn;
 
-    this._executionContextId = executionContextId;
+    this.executionContextId = executionContextId;
     this.hash = hash;
     this._isContentScript = isContentScript;
     this._isLiveEdit = isLiveEdit;
     this.sourceMapURL = sourceMapURL;
     this.hasSourceURL = hasSourceURL;
     this._originalContentProvider = null;
     this._originalSource = null;
   }
 
   /**
@@ skipping 49 matching lines @@
    * @return {boolean}
    */
   isContentScript() {
     return this._isContentScript;
   }
 
   /**
    * @return {?SDK.ExecutionContext}
    */
   executionContext() {
-    return this.debuggerModel.target().runtimeModel.executionContext(this._executionContextId);
+    return this.debuggerModel.target().runtimeModel.executionContext(this.executionContextId);
   }
 
   /**
    * @return {boolean}
    */
   isLiveEdit() {
     return this._isLiveEdit;
   }
 
   /**
@@ skipping 197 matching lines @@
       function callback(error) {
         if (error)
           console.error(error);
         fulfill(!error);
       }
     }
   }
 };
 
 SDK.Script.sourceURLRegex = /^[\040\t]*\/\/[@#] sourceURL=\s*(\S*?)\s*$/m;