Android: exclude dead code from android build

chrome/chrome_browser_extensions.gypi

 # Copyright (c) 2013 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_extensions',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 981 matching lines @@
             }],
           ],
         }],
         ['OS=="android"', {
           'sources': [
             'browser/extensions/extension_error_ui_android.cc',
             'browser/extensions/extension_error_ui_android.h',
             'browser/extensions/extension_tab_util_android.cc',
           ],
           'sources!': [
+            'browser/apps/shortcut_manager.cc',
+            'browser/apps/shortcut_manager_factory.cc',
+            'browser/extensions/api/declarative/rules_registry_with_cache.cc',
+            'browser/extensions/api/processes/processes_api_constants.cc',
+            'browser/extensions/api/web_navigation/frame_navigation_state.cc',
+            'browser/extensions/api/web_navigation/web_navigation_api.cc',
+            'browser/extensions/api/web_navigation/web_navigation_api_constants.cc',
+            'browser/extensions/app_icon_loader_impl.cc',
+            'browser/extensions/browser_extension_window_controller.cc',
+            'browser/extensions/context_menu_matcher.cc',
+            'browser/extensions/extension_context_menu_model.cc',
             'browser/extensions/extension_error_ui_default.cc',
             'browser/extensions/extension_error_ui_default.h',
+            'browser/extensions/extension_function_util.cc',
+            'browser/extensions/extension_infobar_delegate.cc',
+            'browser/extensions/extension_install_ui.cc',
             'browser/extensions/extension_tab_util.cc',
+            'browser/extensions/extension_uninstall_dialog.cc',
+            'browser/extensions/theme_installed_infobar_delegate.cc',
+            'browser/extensions/webstore_startup_installer.cc',
+            'browser/extensions/window_controller.cc',
+            'browser/extensions/window_controller_list.cc',
           ],
         }],
         ['chrome_multiple_dll!=1', {
           'dependencies': [
             '../webkit/support/webkit_support.gyp:glue',
           ],
         }],
       ],
     },
   ],
   'conditions': [
     ['chromeos==1', {
       'targets': [
         {
           # Protobuf compiler / generator for contacts-related protocol buffers.
           'target_name': 'contacts_proto',
           'type': 'static_library',
           'sources': [ 'browser/chromeos/contacts/contact.proto' ],
           'variables': {
             'proto_in_dir': 'browser/chromeos/contacts',
             'proto_out_dir': 'chrome/browser/chromeos/contacts',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],  # 'chromeos=1'
   ],  # 'conditions'
 }