iwyu: Include stringprintf.h where appropriate, part 1.

content/common/child_process_info.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 "content/common/child_process_info.h"
 
 #include <limits>
 
 #include "base/atomicops.h"
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
 #include "base/process_util.h"
 #include "base/rand_util.h"
-#include "base/string_util.h"
+#include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 
 ChildProcessInfo::ChildProcessInfo(ProcessType type, int id) :
     type_(type),
     renderer_type_(RENDERER_UNKNOWN) {
   if (id == -1)
     id_ = GenerateChildProcessUniqueId();
   else
     id_ = id;
 }
@@ skipping 105 matching lines @@
                             base::GetCurrentProcId(), instance,
                             base::RandInt(0, std::numeric_limits<int>::max()));
 }
 
 // static
 int ChildProcessInfo::GenerateChildProcessUniqueId() {
   // This function must be threadsafe.
   static base::subtle::Atomic32 last_unique_child_id = 0;
   return base::subtle::NoBarrier_AtomicIncrement(&last_unique_child_id, 1);
 }