chromeos: Remove unused NFC D-Bus client library

chrome/browser/ui/webui/chromeos/nfc_debug_ui.cc

Index: chrome/browser/ui/webui/chromeos/nfc_debug_ui.cc
diff --git a/chrome/browser/ui/webui/chromeos/nfc_debug_ui.cc b/chrome/browser/ui/webui/chromeos/nfc_debug_ui.cc
deleted file mode 100644
index cf038f398f011f568688379d3a3d7738e89bd3a4..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/webui/chromeos/nfc_debug_ui.cc
+++ /dev/null
@@ -1,744 +0,0 @@
-// Copyright 2014 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 "chrome/browser/ui/webui/chromeos/nfc_debug_ui.h"
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/macros.h"
-#include "base/values.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/common/url_constants.h"
-#include "chrome/grit/browser_resources.h"
-#include "chrome/grit/generated_resources.h"
-#include "content/public/browser/web_ui.h"
-#include "content/public/browser/web_ui_data_source.h"
-#include "content/public/browser/web_ui_message_handler.h"
-#include "device/nfc/nfc_adapter.h"
-#include "device/nfc/nfc_adapter_factory.h"
-#include "device/nfc/nfc_peer.h"
-#include "device/nfc/nfc_tag.h"
-
-using device::NfcAdapter;
-using device::NfcAdapterFactory;
-using device::NfcNdefMessage;
-using device::NfcNdefRecord;
-using device::NfcNdefTagTechnology;
-using device::NfcPeer;
-using device::NfcTag;
-using device::NfcTagTechnology;
-
-namespace chromeos {
-
-namespace {
-
-// Keys for various NFC properties that are used by JS.
-const char kAdapterPeersProperty[] = "peers";
-const char kAdapterPollingProperty[] = "polling";
-const char kAdapterPoweredProperty[] = "powered";
-const char kAdapterPresentProperty[] = "present";
-const char kAdapterTagsProperty[] = "tags";
-
-const char kPeerIdentifierProperty[] = "identifier";
-const char kPeerRecordsProperty[] = "records";
-
-const char kTagIdentifierProperty[] = "identifier";
-const char kTagTypeProperty[] = "type";
-const char kTagReadOnlyProperty[] = "readOnly";
-const char kTagRecordsProperty[] = "records";
-const char kTagSupportedProtocolProperty[] = "supportedProtocol";
-const char kTagSupportedTechnologiesProperty[] = "supportedTechnologies";
-const char kRecordTypeProperty[] = "type";
-
-// Tag types.
-const char kTagType1[] = "TYPE-1";
-const char kTagType2[] = "TYPE-2";
-const char kTagType3[] = "TYPE-3";
-const char kTagType4[] = "TYPE-4";
-const char kTagTypeUnknown[] = "UNKNOWN";
-
-// NFC transfer protocols.
-const char kTagProtocolFelica[] = "FELICA";
-const char kTagProtocolIsoDep[] = "ISO-DEP";
-const char kTagProtocolJewel[] = "JEWEL";
-const char kTagProtocolMifare[] = "MIFARE";
-const char kTagProtocolNfcDep[] = "NFC-DEP";
-const char kTagProtocolUnknown[] = "UNKNOWN";
-
-// NFC tag technologies.
-const char kTagTechnologyNfcA[] = "NFC-A";
-const char kTagTechnologyNfcB[] = "NFC-B";
-const char kTagTechnologyNfcF[] = "NFC-F";
-const char kTagTechnologyNfcV[] = "NFC-V";
-const char kTagTechnologyIsoDep[] = "ISO-DEP";
-const char kTagTechnologyNdef[] = "NDEF";
-
-// NDEF types.
-const char kTypeHandoverCarrier[] = "HANDOVER_CARRIER";
-const char kTypeHandoverRequest[] = "HANDOVER_REQUEST";
-const char kTypeHandoverSelect[] = "HANDOVER_SELECT";
-const char kTypeSmartPoster[] = "SMART_POSTER";
-const char kTypeText[] = "TEXT";
-const char kTypeURI[] = "URI";
-const char kTypeUnknown[] = "UNKNOWN";
-
-// JavaScript callback constants.
-const char kInitializeCallback[] = "initialize";
-const char kSetAdapterPowerCallback[] = "setAdapterPower";
-const char kSetAdapterPollingCallback[] = "setAdapterPolling";
-const char kSubmitRecordFormCallback[] = "submitRecordForm";
-
-// Constants for JavaScript functions that we can call.
-const char kOnNfcAdapterInfoChangedFunction[] =
-    "nfcDebug.NfcDebugUI.onNfcAdapterInfoChanged";
-const char kOnNfcAvailabilityDeterminedFunction[] =
-    "nfcDebug.NfcDebugUI.onNfcAvailabilityDetermined";
-const char kOnNfcPeerDeviceInfoChangedFunction[] =
-    "nfcDebug.NfcDebugUI.onNfcPeerDeviceInfoChanged";
-const char kOnNfcTagInfoChangedFunction[] =
-    "nfcDebug.NfcDebugUI.onNfcTagInfoChanged";
-const char kOnSetAdapterPollingFailedFunction[] =
-    "nfcDebug.NfcDebugUI.onSetAdapterPollingFailed";
-const char kOnSetAdapterPowerFailedFunction[] =
-    "nfcDebug.NfcDebugUI.onSetAdapterPowerFailed";
-const char kOnSubmitRecordFormFailedFunction[] =
-    "nfcDebug.NfcDebugUI.onSubmitRecordFormFailed";
-
-std::string RecordTypeToString(NfcNdefRecord::Type type) {
-  switch (type) {
-    case NfcNdefRecord::kTypeHandoverCarrier:
-      return kTypeHandoverCarrier;
-    case NfcNdefRecord::kTypeHandoverRequest:
-      return kTypeHandoverRequest;
-    case NfcNdefRecord::kTypeHandoverSelect:
-      return kTypeHandoverSelect;
-    case NfcNdefRecord::kTypeSmartPoster:
-      return kTypeSmartPoster;
-    case NfcNdefRecord::kTypeText:
-      return kTypeText;
-    case NfcNdefRecord::kTypeURI:
-      return kTypeURI;
-    case NfcNdefRecord::kTypeUnknown:
-      return kTypeUnknown;
-  }
-  return kTypeUnknown;
-}
-
-NfcNdefRecord::Type RecordTypeStringValueToEnum(const std::string& type) {
-  if (type == kTypeHandoverCarrier)
-    return NfcNdefRecord::kTypeHandoverCarrier;
-  if (type == kTypeHandoverRequest)
-    return NfcNdefRecord::kTypeHandoverRequest;
-  if (type == kTypeHandoverSelect)
-    return NfcNdefRecord::kTypeHandoverSelect;
-  if (type == kTypeSmartPoster)
-    return NfcNdefRecord::kTypeSmartPoster;
-  if (type == kTypeText)
-    return NfcNdefRecord::kTypeText;
-  if (type == kTypeURI)
-    return NfcNdefRecord::kTypeURI;
-  return NfcNdefRecord::kTypeUnknown;
-}
-
-std::string TagTypeToString(NfcTag::TagType type) {
-  switch (type) {
-    case NfcTag::kTagType1:
-      return kTagType1;
-    case NfcTag::kTagType2:
-      return kTagType2;
-    case NfcTag::kTagType3:
-      return kTagType3;
-    case NfcTag::kTagType4:
-      return kTagType4;
-    case NfcTag::kTagTypeUnknown:
-      return kTagTypeUnknown;
-  }
-  return kTagTypeUnknown;
-}
-
-std::string TagProtocolToString(NfcTag::Protocol protocol) {
-  switch (protocol) {
-    case NfcTag::kProtocolFelica:
-      return kTagProtocolFelica;
-    case NfcTag::kProtocolIsoDep:
-      return kTagProtocolIsoDep;
-    case NfcTag::kProtocolJewel:
-      return kTagProtocolJewel;
-    case NfcTag::kProtocolMifare:
-      return kTagProtocolMifare;
-    case NfcTag::kProtocolNfcDep:
-      return kTagProtocolNfcDep;
-    case NfcTag::kProtocolUnknown:
-      return kTagProtocolUnknown;
-  }
-  return kTagProtocolUnknown;
-}
-
-// content::WebUIMessageHandler implementation for this page.
-class NfcDebugMessageHandler : public content::WebUIMessageHandler,
-                               public NfcAdapter::Observer,
-                               public NfcNdefTagTechnology::Observer,
-                               public NfcPeer::Observer,
-                               public NfcTag::Observer {
- public:
-  NfcDebugMessageHandler();
-  ~NfcDebugMessageHandler() override;
-
-  // WebUIMessageHandler implementation.
-  void RegisterMessages() override;
-
-  // NfcAdapter::Observer overrides.
-  void AdapterPresentChanged(NfcAdapter* adapter, bool present) override;
-  void AdapterPoweredChanged(NfcAdapter* adapter, bool powered) override;
-  void AdapterPollingChanged(NfcAdapter* adapter, bool polling) override;
-  void TagFound(NfcAdapter* adapter, NfcTag* tag) override;
-  void TagLost(NfcAdapter* adapter, NfcTag* tag) override;
-  void PeerFound(NfcAdapter* adaper, NfcPeer* peer) override;
-  void PeerLost(NfcAdapter* adapter, NfcPeer* peer) override;
-
-  // NfcNdefTagTechnology::Observer override.
-  void RecordReceived(NfcTag* tag, const NfcNdefRecord* record) override;
-
-  // NfcPeer::Observer override.
-  void RecordReceived(NfcPeer* peer, const NfcNdefRecord* record) override;
-
-  // NfcTag::Observer override.
-  void TagReady(NfcTag* tag) override;
-
- private:
-  // Called by the UI when the page loads. This method requests information
-  // about NFC availability on the current platform and requests the underlying
-  // Adapter object. The UI is notified once the information is available.
-  void Initialize(const base::ListValue* args);
-
-  // Called by the UI to toggle the adapter power. |args| will contain one
-  // boolean that indicates whether the power should be set to ON or OFF.
-  void SetAdapterPower(const base::ListValue* args);
-  void OnSetAdapterPowerError();
-
-  // Called by the UI set the adapter's poll status. |args| will contain one
-  // boolean that indicates whether polling should be started or stopped.
-  void SetAdapterPolling(const base::ListValue* args);
-  void OnSetAdapterPollingError();
-
-  // Called by the UI to push an NDEF record to a remote device or tag. |args|
-  // will contain one dictionary that contains the record data.
-  void SubmitRecordForm(const base::ListValue* args);
-  void OnSubmitRecordFormFailed(const std::string& error_message);
-
-  // Callback passed to NfcAdapterFactory::GetAdapter.
-  void OnGetAdapter(scoped_refptr<NfcAdapter> adapter);
-
-  // Stores the properties of the NFC adapter in |out|, mapping these to keys
-  // that will be read by JS.
-  void GetAdapterProperties(base::DictionaryValue* out);
-
-  // Stores the properties of the NFC peer in |out|, mapping these to keys
-  // that will be read by JS. |out| will not be modified, if no peer is known.
-  void GetPeerProperties(base::DictionaryValue* out);
-
-  // Stores the properties of the NFC tag in |out|, mapping these to keys
-  // that will be read by JS. |out| will not be modified, if no tag is known.
-  void GetTagProperties(base::DictionaryValue* out);
-
-  // Returns the records in |message| by populating |out|, in which
-  // they have been converted to a JS friendly format.
-  void GetRecordList(const NfcNdefMessage& message, base::ListValue* out);
-
-  // Updates the data displayed in the UI for the current adapter.
-  void UpdateAdapterInfo();
-
-  // Updates the data displayed in the UI for the current peer.
-  void UpdatePeerInfo();
-
-  // Updates the data displayed in the UI for the current tag.
-  void UpdateTagInfo();
-
-  // The NfcAdapter object.
-  scoped_refptr<NfcAdapter> nfc_adapter_;
-
-  // The cached identifier of the most recent NFC peer device found.
-  std::string peer_identifier_;
-
-  // The cached identifier of the most recent NFC tag found.
-  std::string tag_identifier_;
-
-  DISALLOW_COPY_AND_ASSIGN(NfcDebugMessageHandler);
-};
-
-NfcDebugMessageHandler::NfcDebugMessageHandler() {
-}
-
-NfcDebugMessageHandler::~NfcDebugMessageHandler() {
-  if (!nfc_adapter_.get())
-    return;
-  nfc_adapter_->RemoveObserver(this);
-  if (!peer_identifier_.empty()) {
-    NfcPeer* peer = nfc_adapter_->GetPeer(peer_identifier_);
-    if (peer)
-      peer->RemoveObserver(this);
-  }
-  if (!tag_identifier_.empty()) {
-    NfcTag* tag = nfc_adapter_->GetTag(tag_identifier_);
-    if (tag)
-      tag->RemoveObserver(this);
-  }
-}
-
-void NfcDebugMessageHandler::AdapterPresentChanged(
-    NfcAdapter* adapter,
-    bool present) {
-  UpdateAdapterInfo();
-}
-
-void NfcDebugMessageHandler::AdapterPoweredChanged(
-    NfcAdapter* adapter,
-    bool powered) {
-  UpdateAdapterInfo();
-}
-
-void NfcDebugMessageHandler::AdapterPollingChanged(
-    NfcAdapter* adapter,
-    bool polling) {
-  UpdateAdapterInfo();
-}
-
-void NfcDebugMessageHandler::TagFound(NfcAdapter* adapter, NfcTag* tag) {
-  VLOG(1) << "Found NFC tag: " << tag->GetIdentifier();
-  tag->AddObserver(this);
-  tag_identifier_ = tag->GetIdentifier();
-  tag->GetNdefTagTechnology()->AddObserver(this);
-  UpdateAdapterInfo();
-  UpdateTagInfo();
-}
-
-void NfcDebugMessageHandler::TagLost(NfcAdapter*adapter, NfcTag* tag) {
-  VLOG(1) << "Lost NFC tag: " << tag->GetIdentifier();
-  tag->RemoveObserver(this);
-  tag->GetNdefTagTechnology()->RemoveObserver(this);
-  tag_identifier_.clear();
-  UpdateAdapterInfo();
-  UpdateTagInfo();
-}
-
-void NfcDebugMessageHandler::PeerFound(NfcAdapter* adaper, NfcPeer* peer) {
-  VLOG(1) << "Found NFC peer device: " << peer->GetIdentifier();
-  peer->AddObserver(this);
-  peer_identifier_ = peer->GetIdentifier();
-  UpdateAdapterInfo();
-  UpdatePeerInfo();
-}
-
-void NfcDebugMessageHandler::PeerLost(NfcAdapter* adapter, NfcPeer* peer) {
-  VLOG(1) << "Lost NFC peer device: " << peer->GetIdentifier();
-  peer->RemoveObserver(this);
-  peer_identifier_.clear();
-  UpdateAdapterInfo();
-  UpdatePeerInfo();
-}
-
-void NfcDebugMessageHandler::RecordReceived(
-      NfcTag* tag,
-      const NfcNdefRecord* record) {
-  if (tag->GetIdentifier() != tag_identifier_) {
-    LOG(WARNING) << "Records received from unknown tag: "
-                 << tag->GetIdentifier();
-    return;
-  }
-  UpdateTagInfo();
-}
-
-void NfcDebugMessageHandler::RecordReceived(
-      NfcPeer* peer,
-      const NfcNdefRecord* record) {
-  if (peer->GetIdentifier() != peer_identifier_) {
-    LOG(WARNING) << "Records received from unknown peer: "
-                 << peer->GetIdentifier();
-    return;
-  }
-  UpdatePeerInfo();
-}
-
-void NfcDebugMessageHandler::TagReady(NfcTag* tag) {
-  if (tag_identifier_ != tag->GetIdentifier()) {
-    LOG(WARNING) << "Unknown tag became ready: " << tag->GetIdentifier();
-    return;
-  }
-  VLOG(1) << "Tag ready: " << tag->GetIdentifier();
-  UpdateTagInfo();
-}
-
-void NfcDebugMessageHandler::RegisterMessages() {
-  web_ui()->RegisterMessageCallback(
-      kInitializeCallback,
-      base::Bind(&NfcDebugMessageHandler::Initialize,
-                 base::Unretained(this)));
-  web_ui()->RegisterMessageCallback(
-      kSetAdapterPowerCallback,
-      base::Bind(&NfcDebugMessageHandler::SetAdapterPower,
-                 base::Unretained(this)));
-  web_ui()->RegisterMessageCallback(
-      kSetAdapterPollingCallback,
-      base::Bind(&NfcDebugMessageHandler::SetAdapterPolling,
-                 base::Unretained(this)));
-  web_ui()->RegisterMessageCallback(
-      kSubmitRecordFormCallback,
-      base::Bind(&NfcDebugMessageHandler::SubmitRecordForm,
-                 base::Unretained(this)));
-}
-
-void NfcDebugMessageHandler::Initialize(const base::ListValue* args) {
-  bool nfc_available = NfcAdapterFactory::IsNfcAvailable();
-  base::FundamentalValue available(nfc_available);
-  web_ui()->CallJavascriptFunctionUnsafe(kOnNfcAvailabilityDeterminedFunction,
-                                         available);
-  if (!nfc_available) {
-    LOG(WARNING) << "NFC is not available on current platform.";
-    return;
-  }
-  NfcAdapterFactory::GetAdapter(
-      base::Bind(&NfcDebugMessageHandler::OnGetAdapter,
-                 base::Unretained(this)));
-}
-
-void NfcDebugMessageHandler::SetAdapterPower(const base::ListValue* args) {
-  DCHECK(1 == args->GetSize());
-  DCHECK(nfc_adapter_.get());
-  bool powered;
-  args->GetBoolean(0, &powered);
-  VLOG(1) << "Setting adapter power: " << powered;
-  nfc_adapter_->SetPowered(
-      powered, base::Bind(&base::DoNothing),
-      base::Bind(&NfcDebugMessageHandler::OnSetAdapterPowerError,
-                 base::Unretained(this)));
-}
-
-void NfcDebugMessageHandler::OnSetAdapterPowerError() {
-  LOG(ERROR) << "Failed to set NFC adapter power.";
-  web_ui()->CallJavascriptFunctionUnsafe(kOnSetAdapterPowerFailedFunction);
-}
-
-void NfcDebugMessageHandler::SetAdapterPolling(const base::ListValue* args) {
-  DCHECK(1 == args->GetSize());
-  DCHECK(nfc_adapter_.get());
-  bool start = false;
-  bool result = args->GetBoolean(0, &start);
-  DCHECK(result);
-  if (start) {
-    VLOG(1) << "Starting NFC poll loop.";
-    nfc_adapter_->StartPolling(
-        base::Bind(&base::DoNothing),
-        base::Bind(&NfcDebugMessageHandler::OnSetAdapterPollingError,
-                   base::Unretained(this)));
-  } else {
-    VLOG(1) << "Stopping NFC poll loop.";
-    nfc_adapter_->StopPolling(
-        base::Bind(&base::DoNothing),
-        base::Bind(&NfcDebugMessageHandler::OnSetAdapterPollingError,
-                   base::Unretained(this)));
-  }
-}
-
-void NfcDebugMessageHandler::OnSetAdapterPollingError() {
-  LOG(ERROR) << "Failed to start/stop polling.";
-  web_ui()->CallJavascriptFunctionUnsafe(kOnSetAdapterPollingFailedFunction);
-}
-
-void NfcDebugMessageHandler::SubmitRecordForm(const base::ListValue* args) {
-  DCHECK(1 == args->GetSize());
-  DCHECK(nfc_adapter_.get());
-  const base::DictionaryValue* record_data_const = NULL;
-  if (!args->GetDictionary(0, &record_data_const)) {
-    NOTREACHED();
-    return;
-  }
-
-  if (peer_identifier_.empty() && tag_identifier_.empty()) {
-    OnSubmitRecordFormFailed("No peer or tag present.");
-    return;
-  }
-
-  std::string type;
-  if (!record_data_const->GetString(kRecordTypeProperty, &type)) {
-    OnSubmitRecordFormFailed("Record type not provided.");
-    return;
-  }
-
-  base::DictionaryValue* record_data = record_data_const->DeepCopy();
-  record_data->Remove(kRecordTypeProperty, NULL);
-
-  // Convert the "targetSize" field to a double, in case JS stored it as an
-  // integer.
-  int target_size;
-  if (record_data->GetInteger(NfcNdefRecord::kFieldTargetSize, &target_size)) {
-    record_data->SetDouble(NfcNdefRecord::kFieldTargetSize,
-                           static_cast<double>(target_size));
-  }
-
-  NfcNdefRecord record;
-  if (!record.Populate(RecordTypeStringValueToEnum(type), record_data)) {
-    OnSubmitRecordFormFailed("Invalid record data provided. Missing required "
-                             "fields?");
-    return;
-  }
-
-  if (!peer_identifier_.empty()) {
-    NfcPeer* peer = nfc_adapter_->GetPeer(peer_identifier_);
-    if (!peer) {
-      OnSubmitRecordFormFailed("The current NFC adapter doesn't seem to know "
-                               "about peer: " + peer_identifier_);
-      return;
-    }
-    NfcNdefMessage message;
-    message.AddRecord(&record);
-    peer->PushNdef(message,
-                   base::Bind(&base::DoNothing),
-                   base::Bind(&NfcDebugMessageHandler::OnSubmitRecordFormFailed,
-                              base::Unretained(this),
-                              "Failed to push NDEF record."));
-    return;
-  }
-  NfcTag* tag = nfc_adapter_->GetTag(tag_identifier_);
-  if (!tag) {
-    OnSubmitRecordFormFailed("The current NFC tag doesn't seem to known about "
-                             "tag: " + tag_identifier_);
-    return;
-  }
-  NfcNdefMessage message;
-  message.AddRecord(&record);
-  tag->GetNdefTagTechnology()->WriteNdef(
-                 message,
-                 base::Bind(&base::DoNothing),
-                 base::Bind(&NfcDebugMessageHandler::OnSubmitRecordFormFailed,
-                            base::Unretained(this),
-                            "Failed to write NDEF record."));
-}
-
-void NfcDebugMessageHandler::OnSubmitRecordFormFailed(
-    const std::string& error_message) {
-  LOG(ERROR) << "SubmitRecordForm failed: " << error_message;
-  web_ui()->CallJavascriptFunctionUnsafe(kOnSubmitRecordFormFailedFunction,
-                                         base::StringValue(error_message));
-}
-
-void NfcDebugMessageHandler::OnGetAdapter(
-    scoped_refptr<NfcAdapter> adapter) {
-  if (nfc_adapter_.get())
-    return;
-  nfc_adapter_ = adapter;
-  nfc_adapter_->AddObserver(this);
-  UpdateAdapterInfo();
-
-  NfcAdapter::PeerList peers;
-  nfc_adapter_->GetPeers(&peers);
-  for (NfcAdapter::PeerList::const_iterator iter = peers.begin();
-       iter != peers.end(); ++iter) {
-    PeerFound(nfc_adapter_.get(), *iter);
-  }
-
-  NfcAdapter::TagList tags;
-  nfc_adapter_->GetTags(&tags);
-  for (NfcAdapter::TagList::const_iterator iter = tags.begin();
-       iter != tags.end(); ++iter) {
-    TagFound(nfc_adapter_.get(), *iter);
-  }
-}
-
-void NfcDebugMessageHandler::GetAdapterProperties(
-    base::DictionaryValue* out) {
-  if (!nfc_adapter_.get()) {
-    VLOG(1) << "NFC adapter hasn't been received yet.";
-    return;
-  }
-  out->SetBoolean(kAdapterPresentProperty, nfc_adapter_->IsPresent());
-  out->SetBoolean(kAdapterPollingProperty, nfc_adapter_->IsPolling());
-  out->SetBoolean(kAdapterPoweredProperty, nfc_adapter_->IsPowered());
-
-  NfcAdapter::PeerList peers;
-  nfc_adapter_->GetPeers(&peers);
-  out->SetInteger(kAdapterPeersProperty, static_cast<int>(peers.size()));
-
-  NfcAdapter::TagList tags;
-  nfc_adapter_->GetTags(&tags);
-  out->SetInteger(kAdapterTagsProperty, static_cast<int>(tags.size()));
-}
-
-void NfcDebugMessageHandler::GetPeerProperties(base::DictionaryValue* out) {
-  if (peer_identifier_.empty()) {
-    VLOG(1) << "No known peer exists.";
-    return;
-  }
-  if (!nfc_adapter_.get()) {
-    VLOG(1) << "NFC adapter hasn't been received yet.";
-    return;
-  }
-  NfcPeer* peer = nfc_adapter_->GetPeer(peer_identifier_);
-  if (!peer) {
-    LOG(ERROR) << "The current NFC adapter doesn't seem to know about peer: "
-               << peer_identifier_;
-    return;
-  }
-  out->SetString(kPeerIdentifierProperty, peer_identifier_);
-
-  base::ListValue* records = new base::ListValue();
-  GetRecordList(peer->GetNdefMessage(), records);
-  out->Set(kPeerRecordsProperty, records);
-}
-
-void NfcDebugMessageHandler::GetTagProperties(base::DictionaryValue* out) {
-  if (tag_identifier_.empty()) {
-    VLOG(1) << "No known tag exists.";
-    return;
-  }
-  if (!nfc_adapter_.get()) {
-    VLOG(1) << "NFC adapter hasn't been received yet.";
-    return;
-  }
-  NfcTag* tag = nfc_adapter_->GetTag(tag_identifier_);
-  if (!tag) {
-    LOG(ERROR) << "The current NFC adapter doesn't seem to know about tag: "
-               << tag_identifier_;
-    return;
-  }
-  out->SetString(kTagIdentifierProperty, tag_identifier_);
-  out->SetString(kTagTypeProperty, TagTypeToString(tag->GetType()));
-  out->SetBoolean(kTagReadOnlyProperty, tag->IsReadOnly());
-  out->SetString(kTagSupportedProtocolProperty,
-                 TagProtocolToString(tag->GetSupportedProtocol()));
-
-  base::ListValue* technologies = new base::ListValue();
-  NfcTagTechnology::TechnologyTypeMask technology_mask =
-      tag->GetSupportedTechnologies();
-  if (technology_mask & NfcTagTechnology::kTechnologyTypeNfcA)
-    technologies->AppendString(kTagTechnologyNfcA);
-  if (technology_mask & NfcTagTechnology::kTechnologyTypeNfcB)
-    technologies->AppendString(kTagTechnologyNfcB);
-  if (technology_mask & NfcTagTechnology::kTechnologyTypeNfcF)
-    technologies->AppendString(kTagTechnologyNfcF);
-  if (technology_mask & NfcTagTechnology::kTechnologyTypeNfcV)
-    technologies->AppendString(kTagTechnologyNfcV);
-  if (technology_mask & NfcTagTechnology::kTechnologyTypeIsoDep)
-    technologies->AppendString(kTagTechnologyIsoDep);
-  if (technology_mask & NfcTagTechnology::kTechnologyTypeNdef)
-    technologies->AppendString(kTagTechnologyNdef);
-  out->Set(kTagSupportedTechnologiesProperty, technologies);
-
-  base::ListValue* records = new base::ListValue();
-  GetRecordList(tag->GetNdefTagTechnology()->GetNdefMessage(), records);
-  out->Set(kTagRecordsProperty, records);
-}
-
-void NfcDebugMessageHandler::GetRecordList(const NfcNdefMessage& message,
-                                           base::ListValue* out) {
-  for (NfcNdefMessage::RecordList::const_iterator iter =
-          message.records().begin();
-      iter != message.records().end(); ++iter) {
-    const NfcNdefRecord* record = (*iter);
-    base::DictionaryValue* record_data = record->data().DeepCopy();
-    record_data->SetString(kRecordTypeProperty,
-                           RecordTypeToString(record->type()));
-    out->Append(record_data);
-  }
-}
-
-void NfcDebugMessageHandler::UpdateAdapterInfo() {
-  base::DictionaryValue data;
-  GetAdapterProperties(&data);
-  web_ui()->CallJavascriptFunctionUnsafe(kOnNfcAdapterInfoChangedFunction,
-                                         data);
-}
-
-void NfcDebugMessageHandler::UpdatePeerInfo() {
-  base::DictionaryValue data;
-  GetPeerProperties(&data);
-  web_ui()->CallJavascriptFunctionUnsafe(kOnNfcPeerDeviceInfoChangedFunction,
-                                         data);
-}
-
-void NfcDebugMessageHandler::UpdateTagInfo() {
-  base::DictionaryValue data;
-  GetTagProperties(&data);
-  web_ui()->CallJavascriptFunctionUnsafe(kOnNfcTagInfoChangedFunction, data);
-}
-
-}  // namespace
-
-NfcDebugUI::NfcDebugUI(content::WebUI* web_ui)
-    : content::WebUIController(web_ui) {
-  web_ui->AddMessageHandler(new NfcDebugMessageHandler());
-
-  content::WebUIDataSource* html_source =
-      content::WebUIDataSource::Create(chrome::kChromeUINfcDebugHost);
-
-  html_source->AddLocalizedString("titleText", IDS_NFC_DEBUG_TITLE);
-  html_source->AddLocalizedString("notSupportedText",
-                                  IDS_NFC_DEBUG_NOT_SUPPORTED);
-  html_source->AddLocalizedString("adapterHeaderText",
-                                  IDS_NFC_DEBUG_ADAPTER_HEADER);
-  html_source->AddLocalizedString("adapterPowerOnText",
-                                  IDS_NFC_DEBUG_ADAPTER_POWER_ON);
-  html_source->AddLocalizedString("adapterPowerOffText",
-                                  IDS_NFC_DEBUG_ADAPTER_POWER_OFF);
-  html_source->AddLocalizedString("adapterStartPollText",
-                                  IDS_NFC_DEBUG_ADAPTER_START_POLL);
-  html_source->AddLocalizedString("adapterStopPollText",
-                                  IDS_NFC_DEBUG_ADAPTER_STOP_POLL);
-  html_source->AddLocalizedString("ndefFormHeaderText",
-                                  IDS_NFC_DEBUG_NDEF_FORM_HEADER);
-  html_source->AddLocalizedString("ndefFormTypeTextText",
-                                  IDS_NFC_DEBUG_NDEF_FORM_TYPE_TEXT);
-  html_source->AddLocalizedString("ndefFormTypeUriText",
-                                  IDS_NFC_DEBUG_NDEF_FORM_TYPE_URI);
-  html_source->AddLocalizedString("ndefFormTypeSmartPosterText",
-                                  IDS_NFC_DEBUG_NDEF_FORM_TYPE_SMART_POSTER);
-  html_source->AddLocalizedString("ndefFormWriteButtonText",
-                                  IDS_NFC_DEBUG_NDEF_FORM_WRITE_BUTTON);
-  html_source->AddLocalizedString("ndefFormFieldTextText",
-                                  IDS_NFC_DEBUG_NDEF_FORM_FIELD_TEXT);
-  html_source->AddLocalizedString("ndefFormFieldEncodingText",
-                                  IDS_NFC_DEBUG_NDEF_FORM_FIELD_ENCODING);
-  html_source->AddLocalizedString("ndefFormFieldLanguageCodeText",
-                                  IDS_NFC_DEBUG_NDEF_FORM_FIELD_LANGUAGE_CODE);
-  html_source->AddLocalizedString("ndefFormFieldUriText",
-                                  IDS_NFC_DEBUG_NDEF_FORM_FIELD_URI);
-  html_source->AddLocalizedString("ndefFormFieldMimeTypeText",
-                                  IDS_NFC_DEBUG_NDEF_FORM_FIELD_MIME_TYPE);
-  html_source->AddLocalizedString("ndefFormFieldTargetSizeText",
-                                  IDS_NFC_DEBUG_NDEF_FORM_FIELD_TARGET_SIZE);
-  html_source->AddLocalizedString("ndefFormFieldTitleTextText",
-                                  IDS_NFC_DEBUG_NDEF_FORM_FIELD_TITLE_TEXT);
-  html_source->AddLocalizedString("ndefFormFieldTitleEncodingText",
-                                  IDS_NFC_DEBUG_NDEF_FORM_FIELD_TITLE_ENCODING);
-  html_source->AddLocalizedString(
-      "ndefFormFieldTitleLanguageCodeText",
-      IDS_NFC_DEBUG_NDEF_FORM_FIELD_TITLE_LANGUAGE_CODE);
-  html_source->AddLocalizedString("ndefFormPushButtonText",
-                                  IDS_NFC_DEBUG_NDEF_FORM_PUSH_BUTTON);
-  html_source->AddLocalizedString("nfcPeerHeaderText",
-                                  IDS_NFC_DEBUG_NFC_PEER_HEADER);
-  html_source->AddLocalizedString("nfcTagHeaderText",
-                                  IDS_NFC_DEBUG_NFC_TAG_HEADER);
-  html_source->AddLocalizedString("recordsHeaderText",
-                                  IDS_NFC_DEBUG_RECORDS_HEADER);
-  html_source->AddLocalizedString("errorFailedToSetPowerText",
-                                  IDS_NFC_DEBUG_ERROR_FAILED_TO_SET_POWER);
-  html_source->AddLocalizedString("errorFailedToSetPollingText",
-                                  IDS_NFC_DEBUG_ERROR_FAILED_TO_SET_POLLING);
-  html_source->AddLocalizedString("errorFailedToSubmitPrefixText",
-                                  IDS_NFC_DEBUG_ERROR_FAILED_TO_SUBMIT_PREFIX);
-  html_source->SetJsonPath("strings.js");
-
-  // Add required resources.
-  html_source->AddResourcePath("nfc_debug.css", IDR_NFC_DEBUG_CSS);
-  html_source->AddResourcePath("nfc_debug.js", IDR_NFC_DEBUG_JS);
-  html_source->SetDefaultResource(IDR_NFC_DEBUG_HTML);
-
-  Profile* profile = Profile::FromWebUI(web_ui);
-  content::WebUIDataSource::Add(profile, html_source);
-}
-
-NfcDebugUI::~NfcDebugUI() {
-}
-
-}  // namespace chromeos