Report ERR_CONTENT_LENGTH_MISMATCH when the count of bytes received doesn't match Content-Length.

net/http/http_network_transaction_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/http/http_network_transaction.h"
 
 #include <math.h>  // ceil
 #include <stdarg.h>
 #include <string>
 #include <vector>
@@ skipping 6139 matching lines @@
   EXPECT_EQ(OK, callback.WaitForResult());
 
   const HttpResponseInfo* response = trans->GetResponseInfo();
   ASSERT_TRUE(response != NULL);
 
   EXPECT_TRUE(response->headers != NULL);
   EXPECT_EQ("HTTP/1.0 200 OK", response->headers->GetStatusLine());
 
   std::string response_data;
   rv = ReadTransaction(trans.get(), &response_data);
-  EXPECT_EQ(ERR_CONNECTION_CLOSED, rv);
+  EXPECT_EQ(ERR_CONTENT_LENGTH_MISMATCH, rv);
 }
 
 TEST_F(HttpNetworkTransactionTest, UploadFileSmallerThanLength) {
   HttpRequestInfo request;
   request.method = "POST";
   request.url = GURL("http://www.google.com/upload");
   request.upload_data = new UploadData;
   request.load_flags = 0;
 
   SessionDependencies session_deps;
@@ skipping 3126 matching lines @@
   StaticSocketDataProvider* data[] = { &data1, &data2 };
 
   SimpleGetHelperResult out = SimpleGetHelperForData(data, arraysize(data));
 
   EXPECT_EQ(OK, out.rv);
   EXPECT_EQ("HTTP/1.0 200 OK", out.status_line);
   EXPECT_EQ("hello world", out.response_data);
 }
 
 }  // namespace net