Start refactoring Windows allocator shim in prep for hooking in generic allocator shim on Windows.

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 604 matching lines @@
         'win/scoped_variant_unittest.cc',
         'win/shortcut_unittest.cc',
         'win/startup_information_unittest.cc',
         'win/wait_chain_unittest.cc',
         'win/win_util_unittest.cc',
         'win/windows_version_unittest.cc',
         'win/wrapped_window_proc_unittest.cc',
         '<@(trace_event_test_sources)',
       ],
       'dependencies': [
+        'allocator/allocator.gyp:allocator_features#target',

[Primiano Tucci (use gerrit), 2016/07/13 17:42:49]

ditto about the doubt about IWYU. defer to thakis.

[Sigurður Ásgeirsson, 2016/07/13 18:47:45]

Yeah I dunno - logic is that if the allocator.h file is generated at build time,
then the tests could/should be compiled concurrently with base code. Thakis?

         'base',
         'base_i18n',
         'base_message_loop_tests',
         'base_static',
         'run_all_unittests',
         'test_support_base',
         'third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         '../third_party/icu/icu.gyp:icui18n',
@@ skipping 1152 matching lines @@
                 ['include', 'mac/bind_objc_block_unittest_arc\\.mm$'],
                 ['include', 'mac/scoped_nsobject_unittest_arc\\.mm$'],
               ],
             }]
           ],
         },
       ],
     }],
   ],
 }