Introduce AncestorThrottle, which will process 'X-Frame-Options' headers.

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': [
     '../base/base.gyp:base_static',
     '../components/url_formatter/url_formatter.gyp:url_formatter',
     '../crypto/crypto.gyp:crypto',
     '../device/battery/battery.gyp:device_battery',
@@ skipping 729 matching lines @@
       'browser/frame_host/render_frame_host_manager.cc',
       'browser/frame_host/render_frame_host_manager.h',
       'browser/frame_host/render_frame_message_filter.cc',
       'browser/frame_host/render_frame_message_filter.h',
       'browser/frame_host/render_frame_proxy_host.cc',
       'browser/frame_host/render_frame_proxy_host.h',
       'browser/frame_host/render_widget_host_view_child_frame.cc',
       'browser/frame_host/render_widget_host_view_child_frame.h',
       'browser/frame_host/render_widget_host_view_guest.cc',
       'browser/frame_host/render_widget_host_view_guest.h',
+      'browser/frame_host/ancestor_throttle.cc',

[nasko, 2016/02/12 23:21:40]

Alphabetical ordering.

[Mike West, 2016/04/12 20:13:30]

Done.

+      'browser/frame_host/ancestor_throttle.h',
       'browser/gamepad/gamepad_consumer.h',
       'browser/gamepad/gamepad_data_fetcher.h',
       'browser/gamepad/gamepad_data_fetcher.cc',
       'browser/gamepad/gamepad_platform_data_fetcher.h',
       'browser/gamepad/gamepad_platform_data_fetcher_android.cc',
       'browser/gamepad/gamepad_platform_data_fetcher_android.h',
       'browser/gamepad/gamepad_platform_data_fetcher_linux.cc',
       'browser/gamepad/gamepad_platform_data_fetcher_linux.h',
       'browser/gamepad/gamepad_platform_data_fetcher_mac.h',
       'browser/gamepad/gamepad_platform_data_fetcher_mac.mm',
@@ skipping 1459 matching lines @@
     ['enable_webvr==1 and OS=="android"', {
       'sources': [
         'browser/vr/android/cardboard/cardboard_vr_device.cc',
         'browser/vr/android/cardboard/cardboard_vr_device.h',
         'browser/vr/android/cardboard/cardboard_vr_device_provider.cc',
         'browser/vr/android/cardboard/cardboard_vr_device_provider.h',
       ],
     }],
   ],
 }