Use a direct include of strings headers in webkit/, part 1.

webkit/browser/appcache/appcache_database_unittest.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/bind.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 #include "sql/connection.h"
 #include "sql/meta_table.h"
 #include "sql/statement.h"
 #include "sql/transaction.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/browser/appcache/appcache_database.h"
 #include "webkit/browser/appcache/appcache_entry.h"
 
 namespace {
 
@@ skipping 1084 matching lines @@
     EXPECT_EQ(kMockOrigin, fallbacks[i].origin);
     EXPECT_EQ(expected_namespace_url, fallbacks[i].namespace_.namespace_url);
     EXPECT_EQ(expected_target_url, fallbacks[i].namespace_.target_url);
     EXPECT_FALSE(fallbacks[i].namespace_.is_pattern);
     EXPECT_EQ(expected_whitelist_url, whitelists[i].namespace_url);
     EXPECT_FALSE(whitelists[i].is_pattern);
   }
 }
 
 }  // namespace appcache