Changing linux platform for chromeos.

chrome/chrome_common.gypi

 # Copyright (c) 2010 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': {
       'chrome_common_target': 0,
     },
     'target_conditions': [
@@ skipping 131 matching lines @@
         # .cc, .h, and .mm files under chrome/common that are not required for
         # building 64-bit Windows targets. Test files are not included.
         'common/desktop_notifications/active_notification_tracker.h',
         'common/desktop_notifications/active_notification_tracker.cc',
         'common/extensions/extension.cc',
         'common/extensions/extension.h',
         'common/extensions/extension_action.cc',
         'common/extensions/extension_action.h',
         'common/extensions/extension_constants.cc',
         'common/extensions/extension_constants.h',
-        'common/extensions/extension_error_reporter.cc',
-        'common/extensions/extension_error_reporter.h',
         'common/extensions/extension_error_utils.cc',
         'common/extensions/extension_error_utils.h',
         'common/extensions/extension_extent.cc',
         'common/extensions/extension_extent.h',
         'common/extensions/extension_file_util.cc',
         'common/extensions/extension_file_util.h',
         'common/extensions/extension_l10n_util.cc',
         'common/extensions/extension_l10n_util.h',
         'common/extensions/extension_message_bundle.cc',
         'common/extensions/extension_message_bundle.h',
@@ skipping 53 matching lines @@
         'common/native_web_keyboard_event.h',
         'common/native_web_keyboard_event_linux.cc',
         'common/native_web_keyboard_event_mac.mm',
         'common/native_web_keyboard_event_win.cc',
         'common/native_window_notification_source.h',
         'common/owned_widget_gtk.cc',
         'common/owned_widget_gtk.h',
         'common/page_transition_types.cc',
         'common/page_transition_types.h',
         'common/page_zoom.h',
-        'common/platform_util.h',
-        'common/platform_util_linux.cc',
-        'common/platform_util_mac.mm',
-        'common/platform_util_win.cc',
         'common/plugin_carbon_interpose_constants_mac.h',
         'common/plugin_carbon_interpose_constants_mac.cc',
         'common/plugin_messages.h',
         'common/plugin_messages_internal.h',
         'common/render_messages.h',
         'common/render_messages_internal.h',
         'common/renderer_preferences.h',
         'common/resource_dispatcher.cc',
         'common/resource_dispatcher.h',
         'common/security_filter_peer.cc',
@@ skipping 128 matching lines @@
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
         },
       ],
     }],
   ],
 }