Move IsStringUTF8/ASCII to base namespace

net/ftp/ftp_network_transaction.cc

 // Copyright (c) 2012 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/ftp/ftp_network_transaction.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/metrics/histogram.h"
@@ skipping 134 matching lines @@
 // (127,0,0,1,23,21) IP address and port encapsulated in ().
 // 127,0,0,1,23,21  IP address and port without ().
 //
 // See RFC 959, Section 4.1.2
 bool ExtractPortFromPASVResponse(const net::FtpCtrlResponse& response,
                                  int* port) {
   if (response.lines.size() != 1)
     return false;
 
   std::string line(response.lines[0]);
-  if (!IsStringASCII(line))
+  if (!base::IsStringASCII(line))
     return false;
   if (line.length() < 2)
     return false;
 
   size_t paren_pos = line.find('(');
   if (paren_pos == std::string::npos) {
     // Find the first comma and use it to locate the beginning
     // of the response data.
     size_t comma_pos = line.find(',');
     if (comma_pos == std::string::npos)
@@ skipping 657 matching lines @@
     const FtpCtrlResponse& response) {
   switch (GetErrorClass(response.status_code)) {
     case ERROR_CLASS_INITIATED:
       return Stop(ERR_INVALID_RESPONSE);
     case ERROR_CLASS_OK: {
       // All important info should be on the first line.
       std::string line = response.lines[0];
       // The response should be ASCII, which allows us to do case-insensitive
       // comparisons easily. If it is not ASCII, we leave the system type
       // as unknown.
-      if (IsStringASCII(line)) {
+      if (base::IsStringASCII(line)) {
         line = StringToLowerASCII(line);
 
         // Remove all whitespace, to correctly handle cases like fancy "V M S"
         // response instead of "VMS".
         base::RemoveChars(line, base::kWhitespaceASCII, &line);
 
         // The "magic" strings we test for below have been gathered by an
         // empirical study. VMS needs to come first because some VMS systems
         // also respond with "UNIX emulation", which is not perfect. It is much
         // more reliable to talk to these servers in their native language.
@@ skipping 549 matching lines @@
   if (!had_error_type[type]) {
     had_error_type[type] = true;
     UMA_HISTOGRAM_ENUMERATION("Net.FtpDataConnectionErrorHappened",
         type, NUM_OF_NET_ERROR_TYPES);
   }
   UMA_HISTOGRAM_ENUMERATION("Net.FtpDataConnectionErrorCount",
       type, NUM_OF_NET_ERROR_TYPES);
 }
 
 }  // namespace net