Migrate WTF::HashMap::get() to ::at()

third_party/WebKit/Source/modules/bluetooth/Bluetooth.cpp

 // Copyright 2015 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 "modules/bluetooth/Bluetooth.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
@@ skipping 243 matching lines @@
   visitor->trace(m_activeCharacteristics);
   visitor->trace(m_connectedDevices);
 }
 
 Bluetooth::Bluetooth() : m_clientBinding(this) {}
 
 void Bluetooth::RemoteCharacteristicValueChanged(
     const WTF::String& characteristicInstanceId,
     const WTF::Vector<uint8_t>& value) {
   BluetoothRemoteGATTCharacteristic* characteristic =
-      m_activeCharacteristics.get(characteristicInstanceId);
+      m_activeCharacteristics.at(characteristicInstanceId);
   if (characteristic)
     characteristic->dispatchCharacteristicValueChanged(value);
 }
 
 void Bluetooth::GattServerDisconnected(const WTF::String& deviceId) {
-  BluetoothDevice* device = m_connectedDevices.get(deviceId);
+  BluetoothDevice* device = m_connectedDevices.at(deviceId);
   if (device) {
     // Remove device from the map before calling dispatchGattServerDisconnected
     // to avoid removing a device the gattserverdisconnected event handler might
     // have re-connected.
     m_connectedDevices.remove(deviceId);
     device->dispatchGattServerDisconnected();
   }
 }
 
 BluetoothDevice* Bluetooth::getBluetoothDeviceRepresentingDevice(
     mojom::blink::WebBluetoothDevicePtr devicePtr,
     ScriptPromiseResolver* resolver) {
   WTF::String id = devicePtr->id;
-  BluetoothDevice* device = m_deviceInstanceMap.get(id);
+  BluetoothDevice* device = m_deviceInstanceMap.at(id);
   if (!device) {
     device = BluetoothDevice::take(resolver, std::move(devicePtr), this);
     auto result = m_deviceInstanceMap.insert(id, device);
     DCHECK(result.isNewEntry);
   }
   return device;
 }
 
 }  // namespace blink