Add transfer size paramater to didFinishLoading [3/3]

Source/devtools/front_end/NetworkRequest.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 232 matching lines @@
     set resourceSize(x)
     {
         this._resourceSize = x;
     },
 
     /**
      * @return {number}
      */
     get transferSize()
     {
-        if (typeof this._transferSize === "number")
-            return this._transferSize;
-        if (this.statusCode === 304) // Not modified
-            return this.responseHeadersSize;
-        if (this._cached)
-            return 0;
-        // If we did not receive actual transfer size from network
-        // stack, we prefer using Content-Length over resourceSize as
-        // resourceSize may differ from actual transfer size if platform's
-        // network stack performed decoding (e.g. gzip decompression).
-        // The Content-Length, though, is expected to come from raw
-        // response headers and will reflect actual transfer length.
-        // This won't work for chunked content encoding, so fall back to
-        // resourceSize when we don't have Content-Length. This still won't
-        // work for chunks with non-trivial encodings. We need a way to
-        // get actual transfer size from the network stack.
-        var bodySize = Number(this.responseHeaderValue("Content-Length") || this.resourceSize);
-        return this.responseHeadersSize + bodySize;
+        return this._transferSize || 0;
     },
 
     /**
      * @param {number} x
      */
     increaseTransferSize: function(x)
     {
         this._transferSize = (this._transferSize || 0) + x;
     },
 
     /**
+     * @param {number} x
+     */
+    setTransferSize: function(x)
+    {
+        this._transferSize = x;
+    },
+
+    /**
      * @return {boolean}
      */
     get finished()
     {
         return this._finished;
     },
 
     set finished(x)
     {
         if (this._finished === x)
@@ skipping 685 matching lines @@
      */
     _pushFrame: function(frameOrError)
     {
         if (this._frames.length >= 100)
             this._frames.splice(0, 10);
         this._frames.push(frameOrError);
     },
 
     __proto__: WebInspector.Object.prototype
 }