Store Bluetooth permissions in website settings

chrome/browser/bluetooth/bluetooth_permission_context.cc

+// Copyright 2016 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/bluetooth/bluetooth_permission_context.h"
+
+#include "base/values.h"
+
+namespace {
+
+const char kDeviceAddressKey[] = "device-address";
+const char kDeviceNameKey[] = "device-name";
+const char kDeviceUUIDsKey[] = "device-uuids";
+
+}  // namespace
+
+BluetoothPermissionContext::BluetoothPermissionContext(Profile* profile)
+    : ChooserContextBase(profile,
+                         CONTENT_SETTINGS_TYPE_BLUETOOTH_CHOOSER_DATA) {}
+
+BluetoothPermissionContext::~BluetoothPermissionContext() {}
+
+bool BluetoothPermissionContext::IsValidObject(
+    const base::DictionaryValue& object) {
+  std::string* null_string_ptr = nullptr;
+  // To be backward-compatible with preferences written by previous versions of
+  // Chrome.
+  return object.size() == 3 && object.HasKey(kDeviceAddressKey) &&
+         object.GetString(kDeviceAddressKey, null_string_ptr) &&
+         object.HasKey(kDeviceNameKey) &&
+         object.GetString(kDeviceNameKey, null_string_ptr) &&
+         object.HasKey(kDeviceUUIDsKey) &&
+         object.GetList(kDeviceUUIDsKey, nullptr);
+}