[NaCl SDK] nacl_io: Remove use of new/delete for data buffers.

native_client_sdk/src/libraries/nacl_io/httpfs/http_fs_node.h

 // Copyright 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.
 
 #ifndef LIBRARIES_NACL_IO_HTTPFS_HTTP_FS_NODE_H_
 #define LIBRARIES_NACL_IO_HTTPFS_HTTP_FS_NODE_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 68 matching lines @@
                            int* out_bytes);
 
   // Read up to |count| bytes from |loader|, and store the result in |buf|,
   // which is assumed to have |count| bytes free.
   Error ReadResponseToBuffer(const ScopedResource& loader,
                              void* buf,
                              int count,
                              int* out_bytes);
 
   std::string url_;
-  std::vector<char> buffer_;
+  char* buffer_;
+  int buffer_len_;
 
   bool cache_content_;
   bool has_cached_size_;
   std::vector<char> cached_data_;
 
   friend class HttpFs;
 };
 
 }  // namespace nacl_io
 
 #endif  // LIBRARIES_NACL_IO_HTTPFS_HTTP_FS_NODE_H_