Slight code change to make some global variables const.

net/base/net_util.cc

 // Copyright (c) 2006-2008 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 <algorithm>
 #include <unicode/ucnv.h>
 #include <unicode/uidna.h>
 #include <unicode/ulocdata.h>
 #include <unicode/uniset.h>
 #include <unicode/uscript.h>
@@ skipping 149 matching lines @@
   typename STR::const_iterator end = find(begin, headers.end(), '\n');
 
   STR ret;
   TrimWhitespace(STR(begin, end), TRIM_ALL, &ret);
   return ret;
 }
 
 // TODO(jungshik): We have almost identical hex-decoding code else where.
 // Consider refactoring and moving it somewhere(base?). Bug 1224311
 inline bool IsHexDigit(unsigned char c) {
-  return (('0' <= c && c <= '9') || ('A' <= c && c <= 'F') || ('a' <= c && c <= 'f'));
+  return (('0' <= c && c <= '9') || ('A' <= c && c <= 'F') ||
+          ('a' <= c && c <= 'f'));
 }
 
 inline unsigned char HexToInt(unsigned char c) {
   DCHECK(IsHexDigit(c));
   static unsigned char kOffset[4] = {0, 0x30u, 0x37u, 0x57u};
   return c - kOffset[(c >> 5) & 3];
 }
 
 // Similar to Base64Decode. Decodes a Q-encoded string to a sequence
 // of bytes. If input is invalid, return false.
@@ skipping 376 matching lines @@
   StringTokenizer t(languages_list, ",");
   while (t.GetNext()) {
     std::string lang = t.token();
     status = U_ZERO_ERROR;
     // TODO(jungshik) Cache exemplar sets for locales.
     ULocaleData* uld = ulocdata_open(lang.c_str(), &status);
     // TODO(jungshik) Turn this check on when the ICU data file is
     // rebuilt with the minimal subset of locale data for languages
     // to which Chrome is not localized but which we offer in the list
     // of languages selectable for Accept-Languages. With the rebuilt ICU
-    // data, ulocdata_open never should fall back to the default locale. (issue 2078)
+    // data, ulocdata_open never should fall back to the default locale.
+    // (issue 2078)
     // DCHECK(U_SUCCESS(status) && status != U_USING_DEFAULT_WARNING);
     if (U_SUCCESS(status) && status != U_USING_DEFAULT_WARNING) {
       // Should we use auxiliary set, instead?
       ulocdata_getExemplarSet(uld, lang_set, 0, ULOCDATA_ES_STANDARD, &status);
       ulocdata_close(uld);
       if (U_SUCCESS(status)) {
         UnicodeSet* allowed_characters =
             reinterpret_cast<UnicodeSet*>(lang_set);
         // If |lang| is compatible with ASCII Latin letters, add them.
         if (IsCompatibleWithASCIILetters(lang))
@@ skipping 468 matching lines @@
   char buffer[256];
   int result = gethostname(buffer, sizeof(buffer));
   if (result != 0) {
     DLOG(INFO) << "gethostname() failed with " << result;
     buffer[0] = '\0';
   }
   return std::string(buffer);
 }
 
 }  // namespace net