Implement chrome.enterprise.reportingPrivate.getDeviceInfo() API for macOS.

TEST=manually verified with --whitelisted-extension-id
BUG=996079

Change-Id: I7270097752736ad99a911be63495b0578f6190e5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1951561
Reviewed-by: Karan Bhatia <[email protected]>
Reviewed-by: Gustavo Sacomoto <[email protected]>
Reviewed-by: Julian Pastarmov <[email protected]>
Commit-Queue: Tim Song <[email protected]>
Cr-Commit-Position: refs/heads/master@{#722365}
diff --git a/chrome/browser/extensions/BUILD.gn b/chrome/browser/extensions/BUILD.gn
index 3610f26c..18c1ebd 100644
--- a/chrome/browser/extensions/BUILD.gn
+++ b/chrome/browser/extensions/BUILD.gn
@@ -1030,6 +1030,8 @@
       "api/enterprise_reporting_private/chrome_desktop_report_request_helper.h",
       "api/enterprise_reporting_private/device_info_fetcher.cc",
       "api/enterprise_reporting_private/device_info_fetcher.h",
+      "api/enterprise_reporting_private/device_info_fetcher_mac.h",
+      "api/enterprise_reporting_private/device_info_fetcher_mac.mm",
       "api/enterprise_reporting_private/enterprise_reporting_private_api.cc",
       "api/enterprise_reporting_private/enterprise_reporting_private_api.h",
       "api/enterprise_reporting_private/prefs.cc",