This PR does some IWYU for `base/memory/scoped_refptr.h` under
`//brave/browser`. This uses the standard script with the following
dataset:
```
HEADER_FUNCTION_SETS = [
(
'"base/memory/scoped_refptr.h"',
(
"scoped_refptr",
),
),
]
```
Bug: https://github.com/brave/brave-browser/issues/42212