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

net/url_request/url_request_unittest.cc

Index: net/url_request/url_request_unittest.cc
diff --git a/net/url_request/url_request_unittest.cc b/net/url_request/url_request_unittest.cc
index 33fe408afcca2a89f3bd4e68749cee3b92e4c1ac..da49f5b02c21155a6a7b21ab6fd2fc0d37a42c4c 100644
--- a/net/url_request/url_request_unittest.cc
+++ b/net/url_request/url_request_unittest.cc
@@ -911,7 +911,7 @@ TEST_F(URLRequestTestHTTP, GetZippedTest) {
             << " 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 << "\"";
       }
     }