Fix handling of Unicode BOMs in JSONReader.

base/base.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/win_precompile.gypi',
@@ skipping 518 matching lines @@
             '--mode=<(tests_run)',
             '--root', '<(DEPTH)',
             '--result', '<@(_outputs)',
             '--files', '<@(_inputs)',
             # Directories can't be tracked by build tools (make, msbuild, xcode,
             # etc) so we just put it on the command line without specifying it
             # as an input.
             # TODO(maruel): Revisit the support for this at all and list each
             # individual test files instead.
             'data/file_util_unittest/',
+            'data/json/bom_feff.json',
             '--',
             # Wraps base_unittests under xvfb.
             '<(DEPTH)/testing/xvfb.py',
             '<(PRODUCT_DIR)',
             '<(PRODUCT_DIR)/base_unittests<(EXECUTABLE_SUFFIX)',
           ],
         },
       ],
     },
     {
@@ skipping 100 matching lines @@
              # treated as weak imports in dependents, who still must
              # #include closure_blocks_leopard_compat.h to get weak imports.
              'type': 'none',
            }],
          ],
        },
      ],
    }],
   ],
 }