Record Code Signature of Downloaded DMG files

chrome/utility/safe_browsing/mac/dmg_iterator.cc

Index: chrome/utility/safe_browsing/mac/dmg_iterator.cc
diff --git a/chrome/utility/safe_browsing/mac/dmg_iterator.cc b/chrome/utility/safe_browsing/mac/dmg_iterator.cc
index 75f0512074276c2c1fd4ff2a45c6189d91cc75f9..8d883aadde4a19f1f5cfa5fb25f39f0a11d3f7bc 100644
--- a/chrome/utility/safe_browsing/mac/dmg_iterator.cc
+++ b/chrome/utility/safe_browsing/mac/dmg_iterator.cc
@@ -35,6 +35,10 @@ bool DMGIterator::Open() {
   return partitions_.size() > 0;
 }
 
+const std::vector<uint8_t>& DMGIterator::GetCodeSignature() {
+  return udif_.GetCodeSignature();
+}
+
 bool DMGIterator::Next() {
   // Iterate through all the HFS partitions in the DMG file.
   for (; current_partition_ < partitions_.size(); ++current_partition_) {