refactor: apply some 'clang-tidy -fix' changes (#20172)

* refactor: fix clang-tidy vector operation warnings

Fix vector population performance-inefficient-vector-operation warnings
generated by clang-tidy

* refactor: fix clang-tidy emplace_back warnings

In cases where a temporary is created to be passed
to push_back(), replace it with emplace_back().

Warning: modernize-use-emplace

* refactor: fix clang-tidy loop iteration warnings

When practical, use range-based for loops instead of C-style for loops.

clang-tiny check: modernize-loop-convert

* refactor: fix clang-tidy string initialize warning

Remove redundant empty string initialization.

clang-tidy check: readability-redundant-string-init

shell/browser/lib/bluetooth_chooser.cc

@@ -117,6 +117,7 @@ void BluetoothChooser::AddOrUpdateDevice(const std::string& device_id,
 std::vector<electron::BluetoothChooser::DeviceInfo>
 BluetoothChooser::GetDeviceList() {
   std::vector<electron::BluetoothChooser::DeviceInfo> vec;
+  vec.reserve(device_map_.size());
   for (const auto& it : device_map_) {
     DeviceInfo info = {it.first, it.second};
     vec.push_back(info);