Use a direct include of strings headers in base/.

base/debug/debugger_posix.cc

 // Copyright (c) 2012 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/debug/debugger.h"
 #include "build/build_config.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
@@ skipping 22 matching lines @@
 #include <sys/user.h>
 #endif
 
 #include <ostream>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/posix/eintr_wrapper.h"
 #include "base/safe_strerror_posix.h"
-#include "base/stringprintf.h"
 #include "base/strings/string_piece.h"
+#include "base/strings/stringprintf.h"
 
 #if defined(USE_SYMBOLIZE)
 #include "base/third_party/symbolize/symbolize.h"
 #endif
 
 #if defined(OS_ANDROID)
 #include "base/threading/platform_thread.h"
 #endif
 
 namespace base {
@@ skipping 197 matching lines @@
   // attach the debugger, inspect the state of the program and then resume it by
   // setting the 'go' variable above.
 #elif defined(NDEBUG)
   // Terminate the program after signaling the debug break.
   _exit(1);
 #endif
 }
 
 }  // namespace debug
 }  // namespace base