New new versions of Starts/EndsWith and SplitString in net

net/http/http_response_headers.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.
 
 // The rules for header parsing were borrowed from Firefox:
 // http://lxr.mozilla.org/seamonkey/source/netwerk/protocol/http/src/nsHttpResponseHead.cpp
 // The rules for parsing content-types were also borrowed from Firefox:
 // http://lxr.mozilla.org/mozilla/source/netwerk/base/src/nsURLHelper.cpp#834
 
 #include "net/http/http_response_headers.h"
@@ skipping 84 matching lines @@
   "x-webkit-"
 };
 
 bool ShouldUpdateHeader(const std::string::const_iterator& name_begin,
                         const std::string::const_iterator& name_end) {
   for (size_t i = 0; i < arraysize(kNonUpdatedHeaders); ++i) {
     if (base::LowerCaseEqualsASCII(name_begin, name_end, kNonUpdatedHeaders[i]))
       return false;
   }
   for (size_t i = 0; i < arraysize(kNonUpdatedHeaderPrefixes); ++i) {
-    if (base::StartsWithASCII(std::string(name_begin, name_end),
-                              kNonUpdatedHeaderPrefixes[i], false))
+    if (base::StartsWith(base::StringPiece(name_begin, name_end),
+                         kNonUpdatedHeaderPrefixes[i],
+                         base::CompareCase::INSENSITIVE_ASCII))
       return false;
   }
   return true;
 }
 
 void CheckDoesNotHaveEmbededNulls(const std::string& str) {
   // Care needs to be taken when adding values to the raw headers string to
   // make sure it does not contain embeded NULLs. Any embeded '\0' may be
   // understood as line terminators and change how header lines get tokenized.
   CHECK(str.find('\0') == std::string::npos);
@@ skipping 1327 matching lines @@
   return true;
 }
 
 bool HttpResponseHeaders::IsChunkEncoded() const {
   // Ignore spurious chunked responses from HTTP/1.0 servers and proxies.
   return GetHttpVersion() >= HttpVersion(1, 1) &&
       HasHeaderValue("Transfer-Encoding", "chunked");
 }
 
 }  // namespace net