Bug 1962571 - Changing from std::stoi to account for larger values of mDeviceUniqueId.;r=pehrsons

#include "desktop_capture_impl.h"

#include <charconv>

#include <cstdlib>

#include <memory>

#include <string>

                               })));

    return 0;

  }

  DesktopCapturer::SourceId sourceId = std::stoi(mDeviceUniqueId);

  DesktopCapturer::SourceId sourceId{};

  auto [firstNoMatch, error] = std::from_chars(

      mDeviceUniqueId.data(), mDeviceUniqueId.data() + mDeviceUniqueId.size(),

      sourceId);

  if (error != std::errc() ||

      firstNoMatch != (mDeviceUniqueId.data() + mDeviceUniqueId.size())) {

    std::string errorMsg =

        error == std::errc::invalid_argument

            ? "Invalid value of mDeviceUniqueId."

        : error == std::errc::result_out_of_range

            ? "mDeviceUniqueIds value is out of range to cast."

            : "An unknown error has occurred.";

    MOZ_ASSERT_UNREACHABLE("Error casting mDeviceUniqueId to SourceId.");

    RTC_LOG(LS_ERROR)

        << "Attempting to cast mDeviceUniqueId to SourceId returned an error: "

        << errorMsg;

    return -1;

  }

  std::unique_ptr capturer = CreateDesktopCapturerAndThread(

      mDeviceType, sourceId, getter_AddRefs(mCaptureThread));

      int64_t browserId;

      browserTab->GetBrowserId(&browserId);

      auto result = tabList.try_emplace(static_cast<intptr_t>(browserId));

      auto result =

          tabList.try_emplace(mozilla::AssertedCast<intptr_t>(browserId));

      auto& [iter, inserted] = result;

      if (!inserted) {

        MOZ_ASSERT_UNREACHABLE("Duplicate browser ids");