iwyu: Include stringprintf.h where appropriate, part 2.

chrome/browser/process_singleton_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.
 
 // On Linux, when the user tries to launch a second copy of chrome, we check
 // for a socket in the user's profile directory.  If the socket file is open we
 // send a message to the first chrome browser process with the current
 // directory and second process command line flags.  The second process then
 // exits.
 //
@@ skipping 50 matching lines @@
 #include "base/eintr_wrapper.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "base/rand_util.h"
 #include "base/safe_strerror_posix.h"
 #include "base/stl_util-inl.h"
+#include "base/stringprintf.h"
 #include "base/string_number_conversions.h"
 #include "base/string_split.h"
 #include "base/sys_string_conversions.h"
 #include "base/threading/platform_thread.h"
 #include "base/time.h"
 #include "base/timer.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #if defined(TOOLKIT_GTK)
 #include "chrome/browser/ui/gtk/process_singleton_dialog.h"
@@ skipping 830 matching lines @@
 
   return LOCK_ERROR;
 }
 
 bool ProcessSingleton::Create() {
   int sock;
   sockaddr_un addr;
 
   // The symlink lock is pointed to the hostname and process id, so other
   // processes can find it out.
-  FilePath symlink_content(StringPrintf(
+  FilePath symlink_content(base::StringPrintf(
       "%s%c%u",
       net::GetHostName().c_str(),
       kLockDelimiter,
       base::GetCurrentProcId()));
 
   // Create symbol link before binding the socket, to ensure only one instance
   // can have the socket open.
   if (!SymlinkPath(symlink_content, lock_path_)) {
       // If we failed to create the lock, most likely another instance won the
       // startup race.
@@ skipping 48 matching lines @@
     sock));
 
   return true;
 }
 
 void ProcessSingleton::Cleanup() {
   UnlinkPath(socket_path_);
   UnlinkPath(cookie_path_);
   UnlinkPath(lock_path_);
 }