Android: exclude dead code from android build

content/content_renderer.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': [
     '../jingle/jingle.gyp:jingle_glue',
     '../media/media.gyp:media',
     '../net/net.gyp:net',
     '../skia/skia.gyp:skia',
@@ skipping 522 matching lines @@
     ['OS=="win" and win_use_allocator_shim==1', {
       'dependencies': [
           '../base/allocator/allocator.gyp:allocator',
       ],
     }],
     ['OS=="android"', {
       'sources!': [
         'renderer/accessibility/renderer_accessibility_focus_only.cc'
         'renderer/media/audio_decoder.cc',
         'renderer/media/filter_helpers.cc',
+        'renderer/media/pepper_platform_video_decoder.cc',
         'renderer/media/webmediaplayer_impl.cc',
       ],
       'dependencies': [
         '../third_party/libphonenumber/libphonenumber.gyp:libphonenumber',
       ],
       'includes': [
         '../build/android/cpufeatures.gypi',
       ],
     }, {
       'sources!': [
@@ skipping 172 matching lines @@
     }],
   ],
   'target_conditions': [
     ['OS=="android"', {
       'sources/': [
         ['include', '^renderer/render_view_linux\\.cc$'],
       ],
     }],
   ],
 }