base: Move SplitStringUsingSubstr functions from string_util.h to string_split.h

net/http/http_request_headers.cc

 // Copyright (c) 2010 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/http/http_request_headers.h"
 
 #include "base/logging.h"
+#include "base/string_split.h"
 #include "base/string_util.h"
 #include "net/http/http_util.h"
 
 namespace net {
 
 const char HttpRequestHeaders::kGetMethod[] = "GET";
 const char HttpRequestHeaders::kAcceptCharset[] = "Accept-Charset";
 const char HttpRequestHeaders::kAcceptEncoding[] = "Accept-Encoding";
 const char HttpRequestHeaders::kAcceptLanguage[] = "Accept-Language";
 const char HttpRequestHeaders::kCacheControl[] = "Cache-Control";
@@ skipping 114 matching lines @@
   } else {
     NOTREACHED();
   }
 }
 
 void HttpRequestHeaders::AddHeadersFromString(
     const base::StringPiece& headers) {
   // TODO(willchan): Consider adding more StringPiece support in string_util.h
   // to eliminate copies.
   std::vector<std::string> header_line_vector;
-  SplitStringUsingSubstr(headers.as_string(), "\r\n", &header_line_vector);
+  base::SplitStringUsingSubstr(headers.as_string(), "\r\n",
+                               &header_line_vector);
   for (std::vector<std::string>::const_iterator it = header_line_vector.begin();
        it != header_line_vector.end(); ++it) {
     if (!it->empty())
       AddHeaderFromString(*it);
   }
 }
 
 void HttpRequestHeaders::MergeFrom(const HttpRequestHeaders& other) {
   for (HeaderVector::const_iterator it = other.headers_.begin();
        it != other.headers_.end(); ++it ) {
@@ skipping 32 matching lines @@
        it != headers_.end(); ++it) {
     if (key.length() == it->key.length() &&
         !base::strncasecmp(key.data(), it->key.data(), key.length()))
       return it;
   }
 
   return headers_.end();
 }
 
 }  // namespace net