Revert 289312 "Move StringToUpperASCII and LowerCaseEqualsASCII ..."

trunk/src/net/websockets/websocket_basic_handshake_stream.cc

 // Copyright 2013 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/websockets/websocket_basic_handshake_stream.h"
 
 #include <algorithm>
 #include <iterator>
 #include <set>
 #include <string>
@@ skipping 116 matching lines @@
                      std::string* failure_message) {
   std::string value;
   GetHeaderResult result =
       GetSingleHeaderValue(headers, websockets::kUpgrade, &value);
   if (!ValidateHeaderHasSingleValue(result,
                                     websockets::kUpgrade,
                                     failure_message)) {
     return false;
   }
 
-  if (!base::LowerCaseEqualsASCII(value, websockets::kWebSocketLowercase)) {
+  if (!LowerCaseEqualsASCII(value, websockets::kWebSocketLowercase)) {
     *failure_message =
         "'Upgrade' header value is not 'WebSocket': " + value;
     return false;
   }
   return true;
 }
 
 bool ValidateSecWebSocketAccept(const HttpResponseHeaders* headers,
                                 const std::string& expected,
                                 std::string* failure_message) {
@@ skipping 470 matching lines @@
   set_failure_message("Error during WebSocket handshake: " + failure_message);
   return ERR_INVALID_RESPONSE;
 }
 
 void WebSocketBasicHandshakeStream::set_failure_message(
     const std::string& failure_message) {
   *failure_message_ = failure_message;
 }
 
 }  // namespace net