bluetooth: Invalidate connection objects if a connection fails and add histograms

device/bluetooth/bluetooth_device_unittest.cc

Index: device/bluetooth/bluetooth_device_unittest.cc
diff --git a/device/bluetooth/bluetooth_device_unittest.cc b/device/bluetooth/bluetooth_device_unittest.cc
index 69410b55ad3904c1e6c017ed76c35a3ddec1b7e3..4fc30e4e0d3d46c8746d3d1b2648a57988e57c29 100644
--- a/device/bluetooth/bluetooth_device_unittest.cc
+++ b/device/bluetooth/bluetooth_device_unittest.cc
@@ -457,7 +457,11 @@ TEST_F(BluetoothTest, BluetoothGattConnection_ErrorAfterConnection) {
   EXPECT_EQ(1, gatt_connection_attempts_);
   SimulateGattConnectionError(device, BluetoothDevice::ERROR_AUTH_FAILED);
   SimulateGattConnectionError(device, BluetoothDevice::ERROR_FAILED);
-  EXPECT_EQ(BluetoothDevice::ERROR_AUTH_FAILED, last_connect_error_code_);
+  // TODO: Change to ERROR_AUTH_FAILED. We should be getting a callback
+  // only with the first error, but our android framework doesn't yet
+  // support sending different errors.
+  // http://crbug.com/578191
+  EXPECT_EQ(BluetoothDevice::ERROR_FAILED, last_connect_error_code_);
   for (BluetoothGattConnection* connection : gatt_connections_)
     EXPECT_FALSE(connection->IsConnected());
 }