Fix compiling of sync on linux.

chrome/browser/sync/notifier/base/string.cc

 // Copyright (c) 2009 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.
 
 #ifdef OS_MACOSX
 #include <CoreFoundation/CoreFoundation.h>
 #endif
 
 #include <float.h>
 #include <string.h>
 
 #include "base/format_macros.h"
 #include "base/string_util.h"
 #include "chrome/browser/sync/notifier/base/string.h"
 #include "talk/base/common.h"
 #include "talk/base/logging.h"
 #include "talk/base/stringencode.h"
 
+#ifdef OS_WIN
 using base::snprintf;
+#endif
 
 namespace notifier {
 
 std::string HtmlEncode(const std::string& src) {
   size_t max_length = src.length() * 6 + 1;
   std::string dest;
   dest.resize(max_length);
   size_t new_size = talk_base::html_encode(&dest[0], max_length,
                                            src.data(), src.length());
   dest.resize(new_size);
@@ skipping 241 matching lines @@
 }
 
 std::string DoubleToString(double d) {
   char buf[160];
   snprintf(buf, sizeof(buf), "%.17g", d);
   return std::string(buf);
 }
 
 std::string UIntToString(uint32 i) {
   char buf[80];
+#ifdef OS_LINUX
+  snprintf(buf, sizeof(buf), "%u", i);
+#else
   snprintf(buf, sizeof(buf), "%lu", i);
+#endif
   return std::string(buf);
 }
 
 // Convert an int to a string
 std::string IntToString(int i) {
   char buf[80];
   snprintf(buf, sizeof(buf), "%d", i);
   return std::string(buf);
 }
 
@@ skipping 102 matching lines @@
     res.append(*s, start_pos, pos - start_pos);
     res.append(new_sub);
     start_pos = pos + old_sub_size;  // start searching again after the "old".
   } while (replace_all);
   res.append(*s, start_pos, s->length() - start_pos);
 
   *s = res;
 }
 
 }  // namespace notifier