[Device Service] Decouple NFC implementation from //content

content/browser/frame_host/render_frame_host_delegate.h

Index: content/browser/frame_host/render_frame_host_delegate.h
diff --git a/content/browser/frame_host/render_frame_host_delegate.h b/content/browser/frame_host/render_frame_host_delegate.h
index 120e18ed8357f4fdc6a55d8a2cd7b884c29404d3..e1b00e55fc8e46e8fb2097e371a4473ebcd3d9b8 100644
--- a/content/browser/frame_host/render_frame_host_delegate.h
+++ b/content/browser/frame_host/render_frame_host_delegate.h
@@ -18,6 +18,7 @@
 #include "content/public/browser/site_instance.h"
 #include "content/public/common/javascript_dialog_type.h"
 #include "content/public/common/media_stream_request.h"
+#include "device/nfc/nfc.mojom.h"
 #include "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h"
 #include "net/http/http_response_headers.h"
 #include "ui/base/window_open_disposition.h"
@@ -197,6 +198,9 @@ class CONTENT_EXPORT RenderFrameHostDelegate {
   // Gets the WakeLockServiceContext associated with this delegate.
   virtual device::mojom::WakeLockContext* GetWakeLockServiceContext();
 
+  // Gets an NFC implementation within the context of this delegate.
+  virtual void GetNFC(device::nfc::mojom::NFCRequest request);
+
   // Notification that the frame wants to go into fullscreen mode.
   // |origin| represents the origin of the frame that requests fullscreen.
   virtual void EnterFullscreenMode(const GURL& origin) {}