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

content/browser/indexed_db/indexed_db_leveldb_coding.cc

 // Copyright (c) 2013 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/browser/indexed_db/indexed_db_leveldb_coding.h"
 
 #include <iterator>
 #include <limits>
 #include <string>
 
 #include "base/logging.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "base/sys_byteorder.h"
 #include "content/browser/indexed_db/leveldb/leveldb_slice.h"
 #include "content/common/indexed_db/indexed_db_key.h"
 #include "content/common/indexed_db/indexed_db_key_path.h"
 #include "third_party/WebKit/public/platform/WebIDBKeyPath.h"
 
 // LevelDB stores key/value pairs. Keys and values are strings of bytes,
 // normally of type std::vector<char>.
 //
 // The keys in the backing store are variable-length tuples with different types
@@ skipping 1857 matching lines @@
 scoped_ptr<IndexedDBKey> IndexDataKey::primary_key() const {
   scoped_ptr<IndexedDBKey> key;
   StringPiece slice(&encoded_primary_key_[0], encoded_primary_key_.size());
   if (!DecodeIDBKey(&slice, &key)) {
     // TODO(jsbell): Return error.
   }
   return key.Pass();
 }
 
 }  // namespace content