Add chrome://nfc-debug for debugging NFC on Chrome OS.

chromeos/dbus/fake_nfc_adapter_client.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 "chromeos/dbus/fake_nfc_adapter_client.h"
 
 #include "base/logging.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/fake_nfc_device_client.h"
 #include "chromeos/dbus/fake_nfc_tag_client.h"
@@ skipping 279 matching lines @@
       // Mark as polling.
       DCHECK(!properties_->polling.value());
       properties_->polling.ReplaceValue(true);
       return;
     }
   }
   LOG(WARNING) << "Device path not in list of devices.";
 }
 
 void FakeNfcAdapterClient::UnsetTag(const dbus::ObjectPath& tag_path) {
-  LOG(INFO) << "Add tag path to the fake adapter: " << tag_path.value();
+  LOG(INFO) << "Remove tag path from the fake adapter: " << tag_path.value();
   ObjectPathVector new_tags = properties_->tags.value();
   for (ObjectPathVector::iterator iter = new_tags.begin();
        iter != new_tags.end(); ++iter) {
     if (*iter == tag_path) {
       new_tags.erase(iter);
       properties_->tags.ReplaceValue(new_tags);
 
       // Mark as polling.
       DCHECK(!properties_->polling.value());
       properties_->polling.ReplaceValue(true);
       return;
     }
   }
   LOG(WARNING) << "Tag path not in list of tags.";
 }
 
 void FakeNfcAdapterClient::EnablePairingOnPoll(bool enabled) {
   start_pairing_on_poll_ = enabled;
 }
 
 void FakeNfcAdapterClient::OnPropertyChanged(
     const dbus::ObjectPath& object_path,
     const std::string& property_name) {
   FOR_EACH_OBSERVER(NfcAdapterClient::Observer, observers_,
                     AdapterPropertyChanged(object_path, property_name));
 }
 
 }  // namespace chromeos