Remove cross_thread_copier.h from document_encoding_data.h.

DocumentEncodingData is never passed across threads.

Bug: 242216, 689702
Change-Id: If5a78abdb39399c3283480310f5bbe1fab669700
Reviewed-on: https://chromium-review.googlesource.com/1131046
Commit-Queue: Charlie Harrison <csharrison@chromium.org>
Reviewed-by: Charlie Harrison <csharrison@chromium.org>
Cr-Commit-Position: refs/heads/master@{#573694}
1 file changed