Fix for unused-lambda-capture warning

This CL is part of
https://chromium-review.googlesource.com/c/chromium/src/+/1286017

This CL was uploaded by git cl split.

R=hansberry@chromium.org

Bug: 681136
Change-Id: I310de48fb3c0d0423cf0cadff7de18e6a4815548
Reviewed-on: https://chromium-review.googlesource.com/c/1288513Reviewed-by: Jeremy Klein <jlklein@chromium.org>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
Cr-Commit-Position: refs/heads/master@{#601773}

chromeos/components/tether/ble_service_data_helper_impl_unittest.cc

@@ -95,7 +95,7 @@ class BleServiceDataHelperImplTest : public testing::Test {
             cryptauth::DataWithTimestamp("advertisement1", 1000L, 2000L)) {
     std::transform(test_remote_devices_.begin(), test_remote_devices_.end(),
                    std::back_inserter(test_remote_device_ids_),
-                   [this](const auto& device) { return device.GetDeviceId(); });
+                   [](const auto& device) { return device.GetDeviceId(); });
   };
   ~BleServiceDataHelperImplTest() override = default;