[Device Service] Decouple NFC implementation from //content

content/browser/frame_host/render_frame_host_delegate.cc

 // Copyright 2013 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.
 
 #include <stddef.h>
 
 #include "base/callback.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "content/browser/frame_host/render_frame_host_delegate.h"
@@ skipping 64 matching lines @@
 device::GeolocationServiceContext*
 RenderFrameHostDelegate::GetGeolocationServiceContext() {
   return nullptr;
 }
 
 device::mojom::WakeLockContext*
 RenderFrameHostDelegate::GetWakeLockServiceContext() {
   return nullptr;
 }
 
+void RenderFrameHostDelegate::GetNFC(device::nfc::mojom::NFCRequest request) {}
+
 bool RenderFrameHostDelegate::ShouldRouteMessageEvent(
     RenderFrameHost* target_rfh,
     SiteInstance* source_site_instance) const {
   return false;
 }
 
 std::unique_ptr<WebUIImpl>
 RenderFrameHostDelegate::CreateWebUIForRenderFrameHost(const GURL& url) {
   return nullptr;
 }
 
 bool RenderFrameHostDelegate::ShouldAllowRunningInsecureContent(
     WebContents* web_contents,
     bool allowed_per_prefs,
     const url::Origin& origin,
     const GURL& resource_url) {
   return false;
 }
 
 #if defined(OS_ANDROID)
 base::android::ScopedJavaLocalRef<jobject>
 RenderFrameHostDelegate::GetJavaRenderFrameHostDelegate() {
   return nullptr;
 }
 #endif
 
 }  // namespace content