DevTools: use timing information for "disk cached" resources.

Source/devtools/front_end/network/HAREntry.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 219 matching lines @@
     get requestBodySize()
     {
         return !this._request.requestFormData ? 0 : this._request.requestFormData.length;
     },
 
     /**
      * @return {number}
      */
     get responseBodySize()
     {
-        if (this._request.cached || this._request.statusCode === 304)
+        if (this._request.cached() || this._request.statusCode === 304)
             return 0;
         if (!this._request.responseHeadersText)
             return -1;
         return this._request.transferSize - this._request.responseHeadersText.length;
     },
 
     /**
      * @return {number|undefined}
      */
     get responseCompression()
     {
-        if (this._request.cached || this._request.statusCode === 304 || this._request.statusCode === 206)
+        if (this._request.cached() || this._request.statusCode === 304 || this._request.statusCode === 206)
             return;
         if (!this._request.responseHeadersText)
             return;
         return this._request.resourceSize - this.responseBodySize;
     }
 }
 
 /**
  * @param {number} time
  * @return {number}
@@ skipping 167 matching lines @@
             this._writeProgress.done();
             return;
         }
         const chunkSize = 100000;
         var text = this._text.substring(this._bytesWritten, this._bytesWritten + chunkSize);
         this._bytesWritten += text.length;
         stream.write(text, this._writeNextChunk.bind(this));
         this._writeProgress.setWorked(this._bytesWritten);
     }
 }