Exclude extension_settings_handler.cc from android build.

chrome/chrome_browser.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
@@ skipping 4846 matching lines @@
             'browser/ui/chrome_pages.cc',
             'browser/ui/chrome_pages.h',
             'browser/ui/sad_tab_helper.cc',
             'browser/ui/singleton_tabs.cc',
             'browser/ui/singleton_tabs.h',
             'browser/ui/sync/browser_synced_window_delegate.cc',
             'browser/ui/tab_contents/tab_contents_iterator.cc',
             'browser/ui/webui/certificate_viewer_webui.cc',
             'browser/ui/webui/extensions/command_handler.cc',
             'browser/ui/webui/extensions/extensions_ui.cc',
+            'browser/ui/webui/extensions/extension_settings_handler.cc',
+            'browser/ui/webui/extensions/extension_settings_handler.h',
             'browser/ui/webui/extensions/install_extension_handler.cc',
             'browser/ui/webui/ntp/app_launcher_handler.cc',
             'browser/ui/webui/ntp/app_launcher_handler.h',
             'browser/ui/webui/ntp/ntp_resource_cache.cc',
             'browser/ui/webui/plugins_ui.cc',
             'browser/ui/webui/plugins_ui.h',
             'browser/ui/window_sizer/window_sizer.cc',
             'browser/ui/window_sizer/window_sizer.h',
             'browser/upgrade_detector.cc',
             'browser/upgrade_detector.h',
@@ skipping 497 matching lines @@
         'browser/metrics/proto/study.proto',
       ],
       'variables': {
         'proto_in_dir': 'browser/metrics/proto',
         'proto_out_dir': 'chrome/browser/metrics/proto',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }