components: Replace base::Optional and friends with absl counterparts

This replaces:
- base::Optional -> absl::optional
- include "base/optional.h"
  ->
  include "third_party/abseil-cpp/absl/types/optional.h"
- base::nullopt -> absl::nullopt
- base::make_optional -> absl::make_optional

Bug: 1202909
Change-Id: If697b7bf69b199c1796f873eedca3359cdb48c64
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2897151
Commit-Queue: Anton Bikineev <bikineev@chromium.org>
Owners-Override: Anton Bikineev <bikineev@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#883296}
NOKEYCHECK=True
GitOrigin-RevId: 1156b5f891de178171e71b9221a96bef1ced3d3b

1 files changed, 4 insertions, 4 deletions

diff --git a/rel32_finder.h b/rel32_finder.h
index b70b1be..5953755 100644
--- a/rel32_finder.h
+++ b/rel32_finder.h
@@ -10,9 +10,9 @@
 #include <vector>
 
 #include "base/macros.h"
-#include "base/optional.h"
 #include "components/zucchini/buffer_view.h"
 #include "components/zucchini/image_utils.h"
+#include "third_party/abseil-cpp/absl/types/optional.h"
 
 namespace zucchini {
 
@@ -52,7 +52,7 @@ class Abs32GapFinder {
   ~Abs32GapFinder();
 
   // Returns the next available gap, or nullopt if exhausted.
-  base::Optional<ConstBufferView> GetNext();
+  absl::optional<ConstBufferView> GetNext();
 
  private:
   const ConstBufferView::const_iterator base_;
@@ -134,10 +134,10 @@ class Rel32FinderIntel : public Rel32Finder {
   using Rel32Finder::Rel32Finder;
 
   // Returns the next available Result, or nullopt if exhausted.
-  base::Optional<Result> GetNext() {
+  absl::optional<Result> GetNext() {
     if (FindNext())
       return rel32_;
-    return base::nullopt;
+    return absl::nullopt;
   }
 
  protected: