bluetooth: Implement simulateGATTConnectionResponse()

device/bluetooth/test/fake_peripheral.cc

Index: device/bluetooth/test/fake_peripheral.cc
diff --git a/device/bluetooth/test/fake_peripheral.cc b/device/bluetooth/test/fake_peripheral.cc
index 1515e991b9f194914b363e65f15705cd27e11c72..855f2b3376ae2289e0c39780dc24bc27d77b4a97 100644
--- a/device/bluetooth/test/fake_peripheral.cc
+++ b/device/bluetooth/test/fake_peripheral.cc
@@ -4,6 +4,8 @@
 
 #include "device/bluetooth/test/fake_peripheral.h"
 
+#include "device/bluetooth/bluetooth_gatt_connection.h"
+
 namespace bluetooth {
 
 FakePeripheral::FakePeripheral(FakeCentral* fake_central,
@@ -26,6 +28,22 @@ void FakePeripheral::SetServiceUUIDs(UUIDSet service_uuids) {
   service_uuids_ = std::move(service_uuids);
 }
 
+void FakePeripheral::SimulateGATTConnectionResponse(uint16_t code) {
+  CreateGattConnectionCallbacks callbacks =

[scheib, 2017/05/12 05:43:55]

Call up to BluetoothDevice::DidConnectGatt DidFailToConnectGatt, and reuse
BluetoothDevice code.. or if not feasible, then at least flush all entries in
the queue, not just one.

if above is wrong, then at least:
  DCHECK(!create_____.empty());

[ortuno, 2017/05/15 07:01:30]

Happy to change it but I would like to understand why we would like to flush the
queue? See reply in test.

+      create_gatt_connection_callbacks_.front();
+  create_gatt_connection_callbacks_.pop();
+  if (code == mojom::kHCISuccess) {
+    gatt_connected_ = true;
+    callbacks.first.Run(
+        base::MakeUnique<device::BluetoothGattConnection>(adapter_, address_));
+    adapter_->NotifyDeviceChanged(this);
+  } else if (code == mojom::kHCIConnectionTimeout) {
+    callbacks.second.Run(ERROR_FAILED);
+  } else {
+    callbacks.second.Run(ERROR_UNKNOWN);
+  }
+}
+
 uint32_t FakePeripheral::GetBluetoothClass() const {
   NOTREACHED();
   return 0;
@@ -178,11 +196,16 @@ void FakePeripheral::ConnectToServiceInsecurely(
   NOTREACHED();
 }
 
+void FakePeripheral::CreateGattConnection(
+    const GattConnectionCallback& callback,
+    const ConnectErrorCallback& error_callback) {
+  create_gatt_connection_callbacks_.push({callback, error_callback});
+}
+
 void FakePeripheral::CreateGattConnectionImpl() {
   NOTREACHED();
 }
 
 void FakePeripheral::DisconnectGatt() {
-  NOTREACHED();
 }
 }  // namespace bluetooth