bluetooth: Move GetCharacteristic(s) over to Mojo

content/browser/bluetooth/cache_query_result.h

+// 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.
+
+#ifndef CONTENT_BROWSER_BLUETOOTH_CACHE_QUERY_RESULT_H_
+#define CONTENT_BROWSER_BLUETOOTH_CACHE_QUERY_RESULT_H_
+
+#include "content/browser/bluetooth/bluetooth_metrics.h"
+#include "content/common/bluetooth/bluetooth_messages.h"
+
+namespace device {
+class BluetoothDevice;
+class BluetoothGattService;
+class BluetoothGattCharacteristic;
+}
+
+namespace content {
+
+// Struct that holds the result of a cache query.
+//
+// WebBluetoothServiceImpl and BluetoothDispatcherHost have functions
+// that return a CacheQueryResult so we make a separate header for it.
+// TODO(ortuno): Move into WebBluetoothServiceImpl once we move all functions
+// off BluetoothDispatcherHost.
+// https://crbug.com/508771
+struct CacheQueryResult {
+  CacheQueryResult() : outcome(CacheQueryOutcome::SUCCESS) {}
+
+  explicit CacheQueryResult(CacheQueryOutcome outcome) : outcome(outcome) {}
+
+  ~CacheQueryResult() {}
+
+  blink::WebBluetoothError GetWebError() const {
+    switch (outcome) {
+      case CacheQueryOutcome::SUCCESS:
+      case CacheQueryOutcome::BAD_RENDERER:
+        NOTREACHED();
+        return blink::WebBluetoothError::DEVICE_NO_LONGER_IN_RANGE;
+      case CacheQueryOutcome::NO_DEVICE:
+        return blink::WebBluetoothError::DEVICE_NO_LONGER_IN_RANGE;
+      case CacheQueryOutcome::NO_SERVICE:
+        return blink::WebBluetoothError::SERVICE_NO_LONGER_EXISTS;
+      case CacheQueryOutcome::NO_CHARACTERISTIC:
+        return blink::WebBluetoothError::CHARACTERISTIC_NO_LONGER_EXISTS;
+    }
+    NOTREACHED();
+    return blink::WebBluetoothError::DEVICE_NO_LONGER_IN_RANGE;
+  }
+
+  device::BluetoothDevice* device = nullptr;
+  device::BluetoothGattService* service = nullptr;
+  device::BluetoothGattCharacteristic* characteristic = nullptr;
+  CacheQueryOutcome outcome;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_BLUETOOTH_CACHE_QUERY_RESULT_H_