Mac Archive Type Sniffing

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 1c6ccebcdd6f0e7e7c44d870604a6b2cf2a9aeb8..ed9e34228c1ef89ef9cef0e817c077ca7a527848 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -2400,6 +2400,12 @@ split_static_library("browser") {
         "safe_browsing/v4_test_utils.cc",
         "safe_browsing/v4_test_utils.h",
       ]
+      if (is_mac) {

[Robert Sesek, 2017/06/13 22:18:56]

If you rename the file to archive_type_sniffer_mac, the build system will
automatically exclude the files on non-Mac platforms.

[mortonm, 2017/06/13 23:45:45]

Done.

+        sources += [
+          "safe_browsing/mac_archive_type_sniffer.cc",
+          "safe_browsing/mac_archive_type_sniffer.h",
+        ]
+      }
       deps += [ "//components/safe_browsing_db:safe_browsing_db" ]
       if (is_win) {
         deps += [ "//chrome/browser/safe_browsing/incident_reporting:state_store_data_proto" ]