[DevTools] Remove SDK.SDKObject

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

 /*
  * Copyright (C) 2012 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 127 matching lines @@
     if (!styleFile)
       return;
     styleFile.dispose();
     this._styleFiles.delete(uiSourceCode);
   }
 
   /**
    * @param {!Common.Event} event
    */
   _unbindAllUISourceCodes(event) {
-    if (event.data.target() !== this._cssModel.target())
-      return;
     for (var styleFile of this._styleFiles.values())
       styleFile.dispose();
     this._styleFiles.clear();
     this._urlToHeadersByFrameId = new Map();
   }
 
   /**
    * @param {!Common.Event} event
    */
   _uiSourceCodeAddedToWorkspace(event) {
@@ skipping 198 matching lines @@
 
   dispose() {
     if (this._terminated)
       return;
     this._terminated = true;
     Common.EventTarget.removeEventListeners(this._eventListeners);
   }
 };
 
 Bindings.StyleFile.updateTimeout = 200;