Revert of Chromium plumbing for Screen Orientation API orientationchange events.

content/content_common.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': [
     '../base/base.gyp:base',
     '../components/tracing.gyp:tracing',
     '../net/net.gyp:net',
     '../skia/skia.gyp:skia',
@@ skipping 349 matching lines @@
     'common/sandbox_linux/sandbox_seccomp_bpf_linux.cc',
     'common/sandbox_linux/sandbox_seccomp_bpf_linux.h',
     'common/sandbox_mac.h',
     'common/sandbox_mac.mm',
     'common/sandbox_util.cc',
     'common/sandbox_util.h',
     'common/sandbox_win.cc',
     'common/sandbox_win.h',
     'common/savable_url_schemes.cc',
     'common/savable_url_schemes.h',
-    'common/screen_orientation_messages.h',
     'common/service_worker/embedded_worker_messages.h',
     'common/service_worker/service_worker_messages.h',
     'common/service_worker/service_worker_status_code.cc',
     'common/service_worker/service_worker_status_code.h',
     'common/service_worker/service_worker_types.cc',
     'common/service_worker/service_worker_types.h',
     'common/set_process_title.cc',
     'common/set_process_title.h',
     'common/set_process_title_linux.cc',
     'common/set_process_title_linux.h',
@@ skipping 264 matching lines @@
         'common/sandbox_linux/bpf_renderer_policy_linux.cc',
         'common/sandbox_linux/bpf_renderer_policy_linux.h',
         'common/sandbox_linux/sandbox_bpf_base_policy_linux.cc',
         'common/sandbox_linux/sandbox_bpf_base_policy_linux.h',
       ],
     }, {
       'defines': ['USE_SECCOMP_BPF'],
     }],
   ],
 }