Stop pretty-printing pref JSON

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 320 matching lines @@
         'base',
       ],
       'export_dependent_settings': [
         'base',
       ],
       'defines': [
         'BASE_PREFS_IMPLEMENTATION',
       ],
       'sources': [
         'prefs/base_prefs_export.h',
+        'prefs/base_prefs_switches.cc',
+        'prefs/base_prefs_switches.h',
         'prefs/default_pref_store.cc',
         'prefs/default_pref_store.h',
         'prefs/json_pref_store.cc',
         'prefs/json_pref_store.h',
         'prefs/overlay_user_pref_store.cc',
         'prefs/overlay_user_pref_store.h',
         'prefs/persistent_pref_store.h',
         'prefs/pref_change_registrar.cc',
         'prefs/pref_change_registrar.h',
         'prefs/pref_filter.h',
@@ skipping 1240 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }