Android: exclude dead code from android build

content/content_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.
 
 {
   'dependencies': [
     'browser/speech/proto/speech_proto.gyp:speech_proto',
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../google_apis/google_apis.gyp:google_apis',
@@ skipping 1365 matching lines @@
         ['exclude', '^browser/device_orientation/data_fetcher_shared_memory_default.cc$'],
         ['exclude', '^browser/geolocation/network_location_provider\\.(cc|h)$'],
         ['exclude', '^browser/geolocation/network_location_request\\.(cc|h)$'],
         ['exclude', '^browser/tracing/tracing_ui'],
         ['exclude', '^browser/speech/'],
         ['include', '^browser/speech/speech_recognition_dispatcher_host\\.(cc|h)$'],
         ['include', '^browser/speech/speech_recognition_manager_impl\\.(cc|h)$'],
         ['include', '^browser/speech/speech_recognizer\\.h$'],
         ['include', '^browser/speech/speech_recognizer_impl_android\\.(cc|h)$'],
       ],
+      'sources!': [
+        'browser/browser_ipc_logging.cc',
+        'browser/font_list_async.cc',
+        'browser/geolocation/device_data_provider.cc',
+        'browser/geolocation/empty_device_data_provider.cc',
+        'browser/geolocation/wifi_data_provider_common.cc',
+        'browser/renderer_host/input/tap_suppression_controller.cc',
+        'browser/renderer_host/native_web_keyboard_event.cc',
+      ]
     }, {  # OS!="android"
       'sources/': [
         ['exclude', '^browser/renderer_host/java/'],
         ['exclude', '^browser/speech/speech_recognizer_impl_android\\.(cc|h)'],
       ],
     }],
     ['OS=="mac"', {
       'sources': [
         # Build necessary Mozilla sources
         '../third_party/mozilla/ComplexTextInputPanel.h',
@@ skipping 110 matching lines @@
         '../third_party/speex/speex.gyp:libspeex',
       ],
     }],
     ['linux_use_libgps==1', {
       'dependencies': [
         '../build/linux/system.gyp:libgps',
       ],
     }],
   ],
 }