Remove duplicated rule from web.gyp and enable chromium_code for all targets.

Source/web/web.gyp

 #
 # Copyright (C) 2011 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #         * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #         * Redistributions in binary form must reproduce the above
@@ skipping 28 matching lines @@
         '../wtf/wtf.gypi',
         'web.gypi',
     ],
     'targets': [
         {
             'target_name': 'webkit',
             'type': '<(component)',
             'variables': { 'enable_wexit_time_destructors': 1, },
             'dependencies': [
                 'picker_resources',
+                '../config.gyp:config',
                 '../platform/blink_platform.gyp:blink_common',
                 '../core/core.gyp:webcore',
                 '../modules/modules.gyp:modules',
                 '<(DEPTH)/skia/skia.gyp:skia',
                 '<(DEPTH)/third_party/angle_dx11/src/build_angle.gyp:translator',
                 '<(DEPTH)/third_party/icu/icu.gyp:icuuc',
                 '<(DEPTH)/third_party/npapi/npapi.gyp:npapi',
                 '<(DEPTH)/v8/tools/gyp/v8.gyp:v8',
             ],
             'export_dependent_settings': [
@@ skipping 148 matching lines @@
                     ],
                 }],
                 ['OS=="win"', {
                     'include_dirs': [
                         '../../public/web/win',
                     ],
                 }, { # else: OS!="win"
                     'sources/': [
                         ['exclude', 'WebInputEventFactoryWin.cpp$'],
                     ],
-                    'variables': {
-                        # FIXME: Turn on warnings on Windows.
-                        'chromium_code': 1,
-                    }
                 }],
                 ['use_default_render_theme==1', {
                     'include_dirs': [
                         '../../public/web/default',
                     ],
                 }, { # else use_default_render_theme==0
                     'sources/': [
                         ['exclude', 'default/WebRenderTheme.cpp'],
                     ],
                 }],
@@ skipping 13 matching lines @@
             ],
         },
         {
             'target_name': 'webkit_test_support',
             'conditions': [
                 ['component=="shared_library"', {
                     'type': 'none',
                 }, {
                     'type': 'static_library',
                     'dependencies': [
+                        '../config.gyp:config',
                         '../core/core.gyp:webcore_test_support',
                         '../modules/modules.gyp:modules_test_support',
                         '../wtf/wtf.gyp:wtf',
                         '<(DEPTH)/skia/skia.gyp:skia',
                     ],
                     'include_dirs': [
                         '../../public/web',
                         '../core/testing/v8', # for WebCoreTestSupport.h, needed to link in window.internals code.
                         '../../',
                     ],
@@ skipping 114 matching lines @@
         ['clang==1', {
             'target_defaults': {
                 'cflags': ['-Wglobal-constructors'],
                 'xcode_settings': {
                     'WARNING_CFLAGS': ['-Wglobal-constructors'],
                 },
             },
         }],
     ], # conditions
 }