Remove files that don't exist, and fix typos in gyp files

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 364 matching lines @@
               'sources!': [
                 # Not automatically excluded by the *linux.cc rules.
                 'gtk_util.cc',
                 'gtk_util.h',
                 'linux_util.cc',
               ],
             },
           ],
           [ 'OS != "mac"', {
               'sources!': [
-                'scoped_aedesc.h'
+                'mac/scoped_aedesc.h'
               ],
           }],
           # For now, just test the *BSD platforms enough to exclude them.
           # Subsequent changes will include them further.
           [ 'OS != "freebsd"', {
               'sources/': [ ['exclude', '_freebsd\\.cc$'] ],
             },
           ],
           [ 'OS != "openbsd"', {
               'sources/': [ ['exclude', '_openbsd\\.cc$'] ],
@@ skipping 121 matching lines @@
               '$(SDKROOT)/System/Library/Frameworks/Foundation.framework',
               '$(SDKROOT)/System/Library/Frameworks/IOKit.framework',
               '$(SDKROOT)/System/Library/Frameworks/Security.framework',
             ],
           },
         }],
         [ 'OS != "win"', {
             'dependencies': ['../third_party/libevent/libevent.gyp:libevent'],
             'sources!': [
               'third_party/purify/pure_api.c',
-              'base_drag_source.cc',
-              'base_drop_target.cc',
               'event_recorder.cc',
-              'file_version_info.cc',
-              'registry.cc',
               'resource_util.cc',
-              'win_util.cc',
             ],
         },],
         [ 'component=="shared_library"', {
           'defines': [
             'BASE_DLL',
             'BASE_IMPLEMENTATION=1',
           ],
           'conditions': [
             ['OS=="win"', {
               'msvs_disabled_warnings': [
@@ skipping 142 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',
           ],
         },
       ],
     }],
   ],
 }