Add ScopedDeque (similar to the existing ScopedVector).

base/base.gypi

 # Copyright (c) 2011 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.
 
 {
   'target_defaults': {
     'variables': {
       'base_target': 0,
     },
     'target_conditions': [
@@ skipping 148 matching lines @@
           'mach_ipc_mac.h',
           'mach_ipc_mac.mm',
           'memory/linked_ptr.h',
           'memory/mru_cache.h',
           'memory/raw_scoped_refptr_mismatch_checker.h',
           'memory/ref_counted.cc',
           'memory/ref_counted.h',
           'memory/ref_counted_memory.cc',
           'memory/ref_counted_memory.h',
           'memory/scoped_callback_factory.h',
+          'memory/scoped_deque.h',
           'memory/scoped_handle.h',
           'memory/scoped_nsobject.h',
           'memory/scoped_open_process.h',
           'memory/scoped_ptr.h',
           'memory/scoped_vector.h',
           'memory/singleton.h',
           'memory/weak_ptr.cc',
           'memory/weak_ptr.h',
           'message_loop.cc',
           'message_loop.h',
@@ skipping 636 matching lines @@
             'third_party/xdg_mime/xdgmimemagic.c',
             'third_party/xdg_mime/xdgmimemagic.h',
             'third_party/xdg_mime/xdgmimeparent.c',
             'third_party/xdg_mime/xdgmimeparent.h',
           ],
         },
       ],
     }],
   ],
 }