Reland of Use visual studio toolchain from depot_tools for PDFium compilation (patchset #1 id:1 of https://codereview.chromium.org/1922373003/ )

Reason for revert:
I fixed Clang build config, and updated drm binary. Should work this time.

Original issue's description:
> Revert of Use visual studio toolchain from depot_tools for PDFium compilation (patchset #3 id:40001 of https://codereview.chromium.org/1897523002/ )
>
> Reason for revert:
> Clang build is broken. drm build has some problem. Will revert this change for now.
>
> Original issue's description:
> > Use visual studio toolchain from depot_tools for PDFium compilation
> >
> > Change to use visual studio toolchain from depot_tools by default.
> > Setting DEPOT_TOOLS_WIN_TOOLCHAIN=0 allows compilation using system
> > toolchain as before.
> >
> > Using toolchain from depot_tools unifies the compilation
> > environment, and brings the benefits of automated update, bug fixes
> > etc.
> >
> > Committed: https://pdfium.googlesource.com/pdfium/+/590f2d9e057a0d5b17a9706affd3c6115265021b
>
> TBR=brucedawson@chromium.org,thestig@chromium.org,tsepez@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
>
> Committed: https://pdfium.googlesource.com/pdfium/+/df96690d4e3799536b981e3673d64018fa5fd037

TBR=brucedawson@chromium.org,thestig@chromium.org,tsepez@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review-Url: https://codereview.chromium.org/1927373002

0 files changed, 0 insertions, 0 deletions