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, 2 insertions, 2 deletions

diff --git a/integration_test.cc b/integration_test.cc
index 2d2e61f..1baccc3 100644
--- a/integration_test.cc
+++ b/integration_test.cc
@@ -10,13 +10,13 @@
 
 #include "base/files/file_path.h"
 #include "base/files/memory_mapped_file.h"
-#include "base/optional.h"
 #include "base/path_service.h"
 #include "components/zucchini/buffer_view.h"
 #include "components/zucchini/patch_reader.h"
 #include "components/zucchini/patch_writer.h"
 #include "components/zucchini/zucchini.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/abseil-cpp/absl/types/optional.h"
 
 namespace zucchini {
 
@@ -59,7 +59,7 @@ void TestGenApply(const std::string& old_filename,
   patch_writer.SerializeInto({patch_buffer.data(), patch_buffer.size()});
 
   // Read back generated patch.
-  base::Optional<EnsemblePatchReader> patch_reader =
+  absl::optional<EnsemblePatchReader> patch_reader =
       EnsemblePatchReader::Create({patch_buffer.data(), patch_buffer.size()});
   ASSERT_TRUE(patch_reader.has_value());