DevTools: fix tests to ensure clean revert of persistence2.0

third_party/WebKit/Source/devtools/front_end/sources/JavaScriptSourceFrame.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 1235 matching lines @@
       scriptFiles[i].checkMapping();
 
     this._updateLinesWithoutMappingHighlight();
     this._detectMinified();
   }
 
   _detectMinified() {
     if (this._prettyPrintInfobar)
       return;
 
-    if (!TextUtils.isMinified(/** @type {string} */ (this._debuggerSourceCode.content())))
+    if (!TextUtils.isMinified(/** @type {string} */ (this.uiSourceCode().content())))

[dgozman, 2017/04/17 22:36:02]

How could this make a difference though?

[lushnikov, 2017/04/17 23:06:13]

this.uiSourceCode() is the one which was requested for the content. Thus,
uiSourceCode.content() is not null at this point.

       return;
 
     this._prettyPrintInfobar = UI.Infobar.create(
         UI.Infobar.Type.Info, Common.UIString('Pretty-print this minified file?'),
         Common.settings.createSetting('prettyPrintInfobarDisabled', false));
     if (!this._prettyPrintInfobar)
       return;
 
     this._prettyPrintInfobar.setCloseCallback(() => delete this._prettyPrintInfobar);
     var toolbar = new UI.Toolbar('');
@@ skipping 221 matching lines @@
       return;
     this.bookmark.clear();
     this.bookmark = null;
   }
 };
 
 Sources.JavaScriptSourceFrame.BreakpointDecoration.bookmarkSymbol = Symbol('bookmark');
 Sources.JavaScriptSourceFrame.BreakpointDecoration._elementSymbolForTest = Symbol('element');
 
 Sources.JavaScriptSourceFrame.continueToLocationDecorationSymbol = Symbol('bookmark');