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

net/url_request/url_request_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 "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <shlobj.h>
 #include <windows.h>
 #endif
@@ skipping 893 matching lines @@
       EXPECT_EQ(1, d.response_started_count());
       EXPECT_FALSE(d.received_data_before_response());
       VLOG(1) << " Received " << d.bytes_received() << " bytes"
               << " status = " << r.status().status()
               << " error = " << r.status().error();
       if (test_expect_success[i]) {
         EXPECT_EQ(URLRequestStatus::SUCCESS, r.status().status())
             << " Parameter = \"" << test_file << "\"";
       } else {
         EXPECT_EQ(URLRequestStatus::FAILED, r.status().status());
-        EXPECT_EQ(-100, r.status().error())
+        EXPECT_EQ(ERR_CONTENT_LENGTH_MISMATCH, r.status().error())
             << " Parameter = \"" << test_file << "\"";
       }
     }
   }
 }
 
 TEST_F(URLRequestTestHTTP, HTTPSToHTTPRedirectNoRefererTest) {
   ASSERT_TRUE(test_server_.Start());
 
   TestServer https_test_server(
@@ skipping 2697 matching lines @@
   req.SetExtraRequestHeaders(headers);
   req.Start();
   MessageLoop::current()->Run();
   // If the net tests are being run with ChromeFrame then we need to allow for
   // the 'chromeframe' suffix which is added to the user agent before the
   // closing parentheses.
   EXPECT_TRUE(StartsWithASCII(d.data_received(), "Lynx (textmode", true));
 }
 
 }  // namespace net