Avoid fragmenting the heap too much while reconstructing the index.

net/net.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
 
     'linux_link_kerberos%': 0,
     'use_tracing_cache_backend%': 0,
@@ skipping 381 matching lines @@
         'disk_cache/simple/simple_entry_format.cc',
         'disk_cache/simple/simple_entry_format.h',
         'disk_cache/simple/simple_entry_impl.cc',
         'disk_cache/simple/simple_entry_impl.h',
         'disk_cache/simple/simple_entry_operation.cc',
         'disk_cache/simple/simple_entry_operation.h',
         'disk_cache/simple/simple_index.cc',
         'disk_cache/simple/simple_index.h',
         'disk_cache/simple/simple_index_file.cc',
         'disk_cache/simple/simple_index_file.h',
+        'disk_cache/simple/simple_index_file_posix.cc',
+        'disk_cache/simple/simple_index_file_win.cc',
         'disk_cache/simple/simple_net_log_parameters.cc',
         'disk_cache/simple/simple_net_log_parameters.h',
         'disk_cache/simple/simple_synchronous_entry.cc',
         'disk_cache/simple/simple_synchronous_entry.h',
         'disk_cache/simple/simple_util.cc',
         'disk_cache/simple/simple_util.h',
         'disk_cache/flash/flash_entry_impl.cc',
         'disk_cache/flash/flash_entry_impl.h',
         'disk_cache/flash/format.h',
         'disk_cache/flash/internal_entry.cc',
@@ skipping 2521 matching lines @@
             'net_unittests.isolate',
           ],
           'sources': [
             'net_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }