Suppress definition of snprintf in port_chromium.h which conflicts with base::snprintf.

third_party/leveldatabase/env_chromium.cc

 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
 
 #include "third_party/leveldatabase/env_chromium.h"
 
 #include <utility>
 
 #if defined(OS_POSIX)
 #include <dirent.h>
 #include <sys/types.h>
 #endif
 
 #include "base/files/file_enumerator.h"
 #include "base/files/file_util.h"
 #include "base/lazy_instance.h"
 #include "base/metrics/histogram.h"
 #include "base/process/process_metrics.h"
 #include "base/stl_util.h"
+#include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/trace_event/trace_event.h"
 #include "third_party/leveldatabase/chromium_logger.h"
 #include "third_party/leveldatabase/src/include/leveldb/options.h"
 #include "third_party/re2/src/re2/re2.h"
 
 using base::FilePath;
 using leveldb::FileLock;
@@ skipping 341 matching lines @@
   NOTREACHED();
   return "Unknown";
 }
 
 Status MakeIOError(Slice filename,
                    const std::string& message,
                    MethodID method,
                    base::File::Error error) {
   DCHECK_LT(error, 0);
   char buf[512];
-  snprintf(buf, sizeof(buf), "%s (ChromeMethodBFE: %d::%s::%d)",
+  base::snprintf(buf, sizeof(buf), "%s (ChromeMethodBFE: %d::%s::%d)",
            message.c_str(), method, MethodIDToString(method), -error);
   return Status::IOError(filename, buf);
 }
 
 Status MakeIOError(Slice filename,
                    const std::string& message,
                    MethodID method) {
   char buf[512];
-  snprintf(buf, sizeof(buf), "%s (ChromeMethodOnly: %d::%s)", message.c_str(),
+  base::snprintf(buf, sizeof(buf), "%s (ChromeMethodOnly: %d::%s)", message.c_str(),
            method, MethodIDToString(method));
   return Status::IOError(filename, buf);
 }
 
 ErrorParsingResult ParseMethodAndError(const leveldb::Status& status,
                                        MethodID* method_param,
                                        base::File::Error* error) {
   const std::string status_string = status.ToString();
   int method;
   if (RE2::PartialMatch(status_string.c_str(), "ChromeMethodOnly: (\\d+)",
@@ skipping 281 matching lines @@
   Retrier retrier(kRenameFile, this);
   base::File::Error error = base::File::FILE_OK;
   do {
     if (base::ReplaceFile(src_file_path, destination, &error))
       return result;
   } while (retrier.ShouldKeepTrying(error));
 
   DCHECK(error != base::File::FILE_OK);
   RecordOSError(kRenameFile, error);
   char buf[100];
-  snprintf(buf,
+  base::snprintf(buf,
            sizeof(buf),
            "Could not rename file: %s",
            FileErrorString(error));
   return MakeIOError(src, buf, kRenameFile, error);
 }
 
 Status ChromiumEnv::LockFile(const std::string& fname, FileLock** lock) {
   *lock = NULL;
   Status result;
   int flags = base::File::FLAG_OPEN_ALWAYS |
@@ skipping 348 matching lines @@
 
 }  // namespace leveldb_env
 
 namespace leveldb {
 
 Env* Env::Default() {
   return leveldb_env::default_env.Pointer();
 }
 
 }  // namespace leveldb