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Uses generate_grd and grit rules to create and bundle the necessary
resource files. Functionality is equivalent to existing code.

Bug: 1156851,1156859
Change-Id: I0724137a3f6cffbc5d44539e5515b335f702f447
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2586289Reviewed-by: Keith Lee <keithlee@chromium.org>
Reviewed-by: John Palmer <jopalmer@chromium.org>
Reviewed-by: dpapad <dpapad@chromium.org>
Commit-Queue: Kenton Lam <kentonlam@google.com>
Cr-Commit-Position: refs/heads/master@{#836828}