[Chromecast] Dummy implementation of BluetoothAdapter::ConnectDevice.

Bug: b/172062828
Test: Build
Change-Id: Ia17478fd5d2db2d7d4e0d55d70a465d5c1dc07a7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2510879Reviewed-by: Reilly Grant <reillyg@chromium.org>
Commit-Queue: Junbo Ke <juke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#822855}

device/bluetooth/cast/bluetooth_adapter_cast.cc

@@ -175,6 +175,15 @@ void BluetoothAdapterCast::SetAdvertisingInterval(
       .Run(BluetoothAdvertisement::ERROR_UNSUPPORTED_PLATFORM);
 }
 
+void BluetoothAdapterCast::ConnectDevice(
+    const std::string& address,
+    const base::Optional<BluetoothDevice::AddressType>& address_type,
+    ConnectDeviceCallback callback,
+    ErrorCallback error_callback) {
+  NOTIMPLEMENTED() << __func__ << " GATT server mode not supported";
+  std::move(error_callback).Run();
+}
+
 void BluetoothAdapterCast::ResetAdvertising(
     base::OnceClosure callback,
     AdvertisementErrorCallback error_callback) {

device/bluetooth/cast/bluetooth_adapter_cast.h

@@ -86,6 +86,11 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterCast
       AdvertisementErrorCallback error_callback) override;
   void ResetAdvertising(base::OnceClosure callback,
                         AdvertisementErrorCallback error_callback) override;
+  void ConnectDevice(
+      const std::string& address,
+      const base::Optional<BluetoothDevice::AddressType>& address_type,
+      ConnectDeviceCallback callback,
+      ErrorCallback error_callback) override;
   BluetoothLocalGattService* GetGattService(
       const std::string& identifier) const override;
   base::WeakPtr<BluetoothAdapter> GetWeakPtr() override;