Update //base to chromium 9659b08ea5a34f889dc4166217f438095ddc10d2

base/process/process_linux.cc

 // Copyright (c) 2011 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 "base/process/process.h"
 
 #include <errno.h>
 #include <sys/resource.h>
 
 #include "base/files/file_util.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
+#include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/stringprintf.h"
 #include "base/synchronization/lock.h"
 
 namespace base {
 
 namespace {
 
 const int kForegroundPriority = 0;
 
@@ skipping 89 matching lines @@
   }
 #endif
   return GetPriority() == kBackgroundPriority;
 }
 
 bool Process::SetProcessBackgrounded(bool background) {
   DCHECK(IsValid());
 
 #if defined(OS_CHROMEOS)
   if (cgroups.Get().enabled) {
-    std::string pid = StringPrintf("%d", process_);
+    std::string pid = IntToString(process_);
     const base::FilePath file =
         background ?
             cgroups.Get().background_file : cgroups.Get().foreground_file;
     return base::WriteFile(file, pid.c_str(), pid.size()) > 0;
   }
 #endif // OS_CHROMEOS
 
   if (!CanBackgroundProcesses())
     return false;
 
   int priority = background ? kBackgroundPriority : kForegroundPriority;
   int result = setpriority(PRIO_PROCESS, process_, priority);
   DPCHECK(result == 0);
   return result == 0;
 }
 
 }  // namespace base