Use a direct include of strings headers in rlz/, sandbox/, skia/, sql/, sync/.

rlz/lib/financial_ping.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.
 //
 // Library functions related to the Financial Server ping.
 
 #include "rlz/lib/financial_ping.h"
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/string_util.h"
-#include "base/stringprintf.h"
+#include "base/strings/string_util.h"
+#include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "rlz/lib/assert.h"
 #include "rlz/lib/lib_values.h"
 #include "rlz/lib/machine_id.h"
 #include "rlz/lib/rlz_lib.h"
 #include "rlz/lib/rlz_value_store.h"
 #include "rlz/lib/string_utils.h"
 
 #if !defined(OS_WIN)
 #include "base/time.h"
@@ skipping 330 matching lines @@
 
 bool FinancialPing::ClearLastPingTime(Product product) {
   ScopedRlzValueStoreLock lock;
   RlzValueStore* store = lock.GetStore();
   if (!store || !store->HasAccess(RlzValueStore::kWriteAccess))
     return false;
   return store->ClearPingTime(product);
 }
 
 }  // namespace