libsnapshot: Remove unused SupportsCopyOperation.
This function is never used. It was intended to allow update_engine to
unify all writes through ISnapshotWriter, but that never came to pass.
Bug: 280529365
Test: builds
Change-Id: I7e418ffee404cd63faa5a5659d8971988f8d0e03
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h b/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
index 8458517..7881f35 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
@@ -93,9 +93,6 @@
// Return number of bytes the cow image occupies on disk.
virtual uint64_t GetCowSize() = 0;
- // Returns true if AddCopy() operations are supported.
- virtual bool SupportsCopyOperation() const { return true; }
-
const CowOptions& options() { return options_; }
protected:
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/mock_snapshot_writer.h b/fs_mgr/libsnapshot/include/libsnapshot/mock_snapshot_writer.h
index 29828bc..d798e25 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/mock_snapshot_writer.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/mock_snapshot_writer.h
@@ -31,9 +31,6 @@
// Return number of bytes the cow image occupies on disk.
MOCK_METHOD(uint64_t, GetCowSize, (), (override));
- // Returns true if AddCopy() operations are supported.
- MOCK_METHOD(bool, SupportsCopyOperation, (), (const override));
-
MOCK_METHOD(bool, EmitCopy, (uint64_t, uint64_t, uint64_t), (override));
MOCK_METHOD(bool, EmitRawBlocks, (uint64_t, const void*, size_t), (override));
MOCK_METHOD(bool, EmitXorBlocks, (uint32_t, const void*, size_t, uint32_t, uint16_t),