[Device Service] Decouple NFC implementation from //content

content/browser/frame_host/render_frame_host_impl.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 "content/browser/frame_host/render_frame_host_impl.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/containers/hash_tables.h"
+#include "base/feature_list.h"
 #include "base/lazy_instance.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/user_metrics.h"
 #include "base/process/kill.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
 #include "content/browser/bluetooth/web_bluetooth_service_impl.h"
@@ skipping 2652 matching lines @@
     // pointer.
     GetInterfaceRegistry()->AddInterface(
         base::Bind(&device::GeolocationServiceContext::CreateService,
                    base::Unretained(geolocation_service_context)));
   }
 
   GetInterfaceRegistry()->AddInterface<device::mojom::WakeLockService>(
       base::Bind(&RenderFrameHostImpl::BindWakeLockServiceRequest,
                  base::Unretained(this)));
 
+#if defined(OS_ANDROID)
+  if (base::FeatureList::IsEnabled(features::kWebNfc)) {
+    GetInterfaceRegistry()->AddInterface<device::nfc::mojom::NFC>(base::Bind(
+        &RenderFrameHostImpl::BindNFCRequest, base::Unretained(this)));
+  }
+#endif
+
   if (!permission_service_context_)
     permission_service_context_.reset(new PermissionServiceContext(this));
 
   GetInterfaceRegistry()->AddInterface(
       base::Bind(&PermissionServiceContext::CreateService,
                  base::Unretained(permission_service_context_.get())));
 
   GetInterfaceRegistry()->AddInterface(base::Bind(
       &PresentationServiceImpl::CreateMojoService, base::Unretained(this)));
 
@@ skipping 1037 matching lines @@
 
 void RenderFrameHostImpl::BindWakeLockServiceRequest(
     const service_manager::BindSourceInfo& source_info,
     device::mojom::WakeLockServiceRequest request) {
   device::mojom::WakeLockService* renderer_wake_lock =
       delegate_ ? delegate_->GetRendererWakeLock() : nullptr;
   if (renderer_wake_lock)
     renderer_wake_lock->AddClient(std::move(request));
 }
 
+#if defined(OS_ANDROID)
+void RenderFrameHostImpl::BindNFCRequest(
+    const service_manager::BindSourceInfo& source_info,
+    device::nfc::mojom::NFCRequest request) {
+  if (delegate_)
+    delegate_->GetNFC(std::move(request));
+}
+#endif
+
 void RenderFrameHostImpl::GetInterface(
     const std::string& interface_name,
     mojo::ScopedMessagePipeHandle interface_pipe) {
   if (interface_registry_.get()) {
     service_manager::BindSourceInfo source_info(
         GetProcess()->GetChildIdentity(), service_manager::CapabilitySet());
     interface_registry_->BindInterface(source_info, interface_name,
                                        std::move(interface_pipe));
   }
 }
@@ skipping 161 matching lines @@
 }
 
 void RenderFrameHostImpl::ForwardGetInterfaceToRenderFrame(
     const std::string& interface_name,
     mojo::ScopedMessagePipeHandle pipe) {
   GetRemoteInterfaces()->GetInterface(interface_name, std::move(pipe));
 }
 #endif
 
 }  // namespace content