[WIP] Provided file system from NACL.

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',
     '../crypto/crypto.gyp:crypto',
     '../device/battery/battery.gyp:device_battery',
     '../device/battery/battery.gyp:device_battery_mojo_bindings',
@@ skipping 1657 matching lines @@
       'browser/renderer_host/pepper/content_browser_pepper_host_factory.cc',
       'browser/renderer_host/pepper/content_browser_pepper_host_factory.h',
       'browser/renderer_host/pepper/pepper_browser_font_singleton_host.cc',
       'browser/renderer_host/pepper/pepper_browser_font_singleton_host.h',
       'browser/renderer_host/pepper/pepper_external_file_ref_backend.cc',
       'browser/renderer_host/pepper/pepper_external_file_ref_backend.h',
       'browser/renderer_host/pepper/pepper_file_io_host.cc',
       'browser/renderer_host/pepper/pepper_file_io_host.h',
       'browser/renderer_host/pepper/pepper_file_ref_host.cc',
       'browser/renderer_host/pepper/pepper_file_ref_host.h',
+      'browser/renderer_host/pepper/pepper_filesystem_provider_host.cc',
+      'browser/renderer_host/pepper/pepper_filesystem_provider_host.h',
       'browser/renderer_host/pepper/pepper_file_system_browser_host.cc',
       'browser/renderer_host/pepper/pepper_file_system_browser_host.h',
       'browser/renderer_host/pepper/pepper_flash_file_message_filter.cc',
       'browser/renderer_host/pepper/pepper_flash_file_message_filter.h',
       'browser/renderer_host/pepper/pepper_gamepad_host.cc',
       'browser/renderer_host/pepper/pepper_gamepad_host.h',
       'browser/renderer_host/pepper/pepper_host_resolver_message_filter.cc',
       'browser/renderer_host/pepper/pepper_host_resolver_message_filter.h',
       'browser/renderer_host/pepper/pepper_internal_file_ref_backend.cc',
       'browser/renderer_host/pepper/pepper_internal_file_ref_backend.h',
@@ skipping 34 matching lines @@
       'browser/renderer_host/pepper/pepper_truetype_font_mac.mm',
       'browser/renderer_host/pepper/pepper_truetype_font_win.cc',
       'browser/renderer_host/pepper/pepper_udp_socket_message_filter.cc',
       'browser/renderer_host/pepper/pepper_udp_socket_message_filter.h',
       'browser/renderer_host/pepper/quota_reservation.cc',
       'browser/renderer_host/pepper/quota_reservation.h',
       'browser/renderer_host/pepper/ssl_context_helper.cc',
       'browser/renderer_host/pepper/ssl_context_helper.h',
       'public/browser/plugin_service.h',
     ],
+    'plugin_browser_chromeos_sources': [
+      'browser/renderer_host/pepper/pepper_filesystem_provider_backend_chromeos.cc',
+      'browser/renderer_host/pepper/pepper_filesystem_provider_backend_chromeos.h'
+    ],  
   },
   'sources': [
     '<@(public_browser_sources)',
     '<@(private_browser_sources)',
   ],
   'conditions': [
     ['OS == "win"', {
       'dependencies': [
         '../third_party/power_gadget/power_gadget.gyp:power_gadget',
       ],
@@ skipping 265 matching lines @@
           '$(SDKROOT)/usr/lib/libbsm.dylib',
         ],
       },
     }],
     ['chromeos==1', {
       'dependencies': [
         '../build/linux/system.gyp:dbus',
         '../chromeos/chromeos.gyp:chromeos',
         '../chromeos/chromeos.gyp:power_manager_proto',
       ],
+      'sources': [
+        '<@(plugin_browser_chromeos_sources)',
+      ],
       'sources!': [
         'browser/device_sensors/data_fetcher_shared_memory_default.cc',
         'browser/geolocation/wifi_data_provider_linux.cc',
         'browser/power_save_blocker_ozone.cc',
         'browser/power_save_blocker_x11.cc',
       ],
     }],
     ['os_bsd==1', {
       'sources/': [
         ['exclude', '^browser/gamepad/gamepad_platform_data_fetcher_linux\\.cc$'],
@@ skipping 66 matching lines @@
         'browser/media/media_web_contents_observer.h',
       ],
     }],
     ['OS == "linux" and use_openssl==1', {
       'dependencies': [
         '../third_party/boringssl/boringssl.gyp:boringssl',
       ],
     }],
   ],
 }