Account for byte range restriction in URLLoaderCompletionStatus sizes for file://.

Bug: 759230
Change-Id: Ic94211a04bc97afd01097b099a42ad7d365f09cc
Reviewed-on: https://chromium-review.googlesource.com/c/1244297
Reviewed-by: Ken Rockot <[email protected]>
Reviewed-by: John Abd-El-Malek <[email protected]>
Commit-Queue: Eric Roman <[email protected]>
Cr-Commit-Position: refs/heads/master@{#596021}
1 file changed