Tidy up the allocator shim, which is now Windows only.

base/allocator/allocator.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.
 
 {
   'target_defaults': {
     'variables': {
       # This code gets run a lot and debugged rarely, so it should be fast
       # by default. See http://crbug.com/388949.
       'debug_optimize': '2',
@@ skipping 302 matching lines @@
           'cflags_cc!': [
             '-fintercept-allocation-functions',
           ],
         }],
         ['OS=="win"', {
           'dependencies': [
             'libcmt',
           ],
           'sources': [
             'allocator_shim_win.cc',
-            'generic_allocators.cc',
-          ],
-          # sources! means that these are not compiled directly.
-          'sources!': [
-            # Included by allocator_shim_win.cc for maximal inlining.
-            'generic_allocators.cc',
           ],
         }],
         ['profiling!=1', {
           'sources!': [
             # cpuprofiler
             '<(tcmalloc_dir)/src/base/thread_lister.c',
             '<(tcmalloc_dir)/src/base/thread_lister.h',
             '<(tcmalloc_dir)/src/profiledata.cc',
             '<(tcmalloc_dir)/src/profiledata.h',
             '<(tcmalloc_dir)/src/profile-handler.cc',
@@ skipping 235 matching lines @@
            ],
            'dependencies': [
              '../../testing/gtest.gyp:gtest',
              'allocator',
           ],
         },
       ],
     }],
   ],
 }