[WIP] Provided file system from NACL.

content/browser/renderer_host/DEPS

 include_rules = [
   "+cc/switches.h", # For cc command line switches.
   "+media/base",  # For media command line switches.
   "+media/audio/audio_util.h",  # For audio hardware sample-rate.
   "+third_party/zlib",
   "+third_party/libyuv",
 
   # The renderer_host files should only call upwards in the layering via the
   # delegate interfaces.
   "-content/browser/frame_host",
@@ skipping 18 matching lines @@
   "sandbox_ipc_linux\.h": [
     "+content/child/blink_platform_impl.h",
   ],
   "render_process_host_impl\.cc": [
     "+content/browser/frame_host/render_frame_message_filter.h",
   ],
   "render_widget_host_view_mac\.mm": [
     "+content/browser/frame_host",
     "+content/public/browser/web_contents.h",
   ],
+  "pepper_filesystem_provider_backend_chromeos\.(cc|h)": [
+    "+chrome/browser/chromeos/file_system_provider",
+    "+chrome/browser/profiles/profile_manager.h",
+  ],
   "ime_adapter_android\.cc": [
     "+content/browser/frame_host",
     "+content/public/browser/web_contents.h",
   ],
   # TODO(nasko): Remove these exceptions once we've untangled the dependency
   # of RenderViewHost on the FrameTree.
   "render_view_host_impl\.(cc|h)": [
     "+content/browser/frame_host/frame_tree.h",
   ],
   "render_widget_host_view_aura\.cc": [
     "+content/browser/frame_host",
   ],
 }