Migrate web-page-replay-go files

web_page_replay_go/src/webpagereplay/proxy.go

 // Copyright 2017 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.
 
 package webpagereplay
 
-mport (
+import (
         "bytes"
         "fmt"
         "io"
         "io/ioutil"
         "log"
         "net/http"
         "os"
         "strconv"
         "strings"
 )
@@ skipping 184 matching lines @@
         // Restore the req/resp body before archiving.
         // The req body was consumed by RoundTrip, and the resp body was consumed by the above io.Copy.
         if req.Body != nil {
                 req.Body = ioutil.NopCloser(bytes.NewReader(requestBody))
         }
         resp.Body = ioutil.NopCloser(bytes.NewReader(responseBody))
         if err := proxy.a.RecordRequest(proxy.scheme, req, resp); err != nil {
                 logf("failed recording request: %v", err)
         }
 }