DevTools: cleanup script UISourceCodes on executionContextDestroyed

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

 /*
  * Copyright (C) 2010 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 328 matching lines @@
   /**
    * @return {!Array.<!SDK.Script>}
    */
   scriptsForSourceURL(sourceURL) {
     if (!sourceURL)
       return [];
     return this._scriptsBySourceURL.get(sourceURL) || [];
   }
 
   /**
+   * @param {!SDK.ExecutionContext} executionContext
+   * @return {!Array<!SDK.Script>}
+   */
+  scriptsForExecutionContext(executionContext) {
+    return Object.values(this._scripts).filter(script => script.executionContextId === executionContext.id);
+  }
+
+  /**
    * @param {!Protocol.Runtime.ScriptId} scriptId
    * @param {string} newSource
    * @param {function(?Protocol.Error, !Protocol.Runtime.ExceptionDetails=)} callback
    */
   setScriptSource(scriptId, newSource, callback) {
     this._scripts[scriptId].editSource(newSource, this._didEditScriptSource.bind(this, scriptId, newSource, callback));
   }
 
   /**
    * @param {!Protocol.Runtime.ScriptId} scriptId
@@ skipping 1028 matching lines @@
         stack.callFrames.shift();
       if (previous && (!stack.callFrames.length && !stack.promiseCreationFrame))
         previous.parent = stack.parent;
       else
         previous = stack;
       stack = stack.parent;
     }
     return asyncStackTrace;
   }
 };