1 files changed, 4 insertions, 4 deletions
diff --git a/abs32_utils.h b/abs32_utils.h
index 5bc9cf2..f13f562 100644
--- a/abs32_utils.h
+++ b/abs32_utils.h
@@ -11,10 +11,10 @@
 #include <vector>
 
 #include "base/macros.h"
-#include "base/optional.h"
 #include "components/zucchini/address_translator.h"
 #include "components/zucchini/buffer_view.h"
 #include "components/zucchini/image_utils.h"
+#include "third_party/abseil-cpp/absl/types/optional.h"
 
 namespace zucchini {
 
@@ -78,8 +78,8 @@ class Abs32RvaExtractorWin32 {
   ~Abs32RvaExtractorWin32();
 
   // Visits given abs32 locations, rejects invalid locations and non-existent
-  // RVAs, and returns reference as Unit, or base::nullopt on completion.
-  base::Optional<Unit> GetNext();
+  // RVAs, and returns reference as Unit, or absl::nullopt on completion.
+  absl::optional<Unit> GetNext();
 
  private:
   ConstBufferView image_;
@@ -97,7 +97,7 @@ class Abs32ReaderWin32 : public ReferenceReader {
   ~Abs32ReaderWin32() override;
 
   // ReferenceReader:
-  base::Optional<Reference> GetNext() override;
+  absl::optional<Reference> GetNext() override;
 
  private:
   Abs32RvaExtractorWin32 abs32_rva_extractor_;