Reland "Reuse text blob in GraphicsContext::DrawText() when possible"

This reverts commit a33e636933bff667d6790c8feaa5fabcf07dd491.

The original CL mistakenly used the original paint flags instead of
the flags adjusted for dark mode when drawing reused text blob in
dark mode.

Original change's description:
> Revert "Reuse text blob in GraphicsContext::DrawText() when possible"
>
> This reverts commit 9fe185a820f98db48f6bafd2e6e419ffaadc9873.
>
> Reason for revert: Caused regressions, e.g. crbug.com/1402221
>
> Original change's description:
> > Reuse text blob in GraphicsContext::DrawText() when possible
> >
> > In GraphicsContext::DrawText(), check the cached matching display item
> > and use the SkTextBlob directly if it contains a single DrawTextBlob
> > and meets other conditions.
> >
> > Pinpoint result: https://pinpoint-dot-chromeperf.appspot.com/job/17a5d874da0000.
> > High confidence improvements:
> > - design +4.5%
> > - lines +0.5%
> > - leaves +0.3%
> >
> > Bug: 1385848
> > Change-Id: I0ad0c6ef40946805263b1e9923a3282080d6bb49
> > Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4083927
> > Reviewed-by: Philip Rogers <pdr@chromium.org>
> > Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org>
> > Cr-Commit-Position: refs/heads/main@{#1081701}
>
> Bug: 1385848, 1402221
> Change-Id: I9afbbb84e0121a6043066557a01145df0565435a
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4116393
> Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org>
> Auto-Submit: Xianzhu Wang <wangxianzhu@chromium.org>
> Reviewed-by: Philip Rogers <pdr@chromium.org>
> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> Cr-Commit-Position: refs/heads/main@{#1085019}

Bug: 1385848, 1402221
Change-Id: I7a32fa2d282c09e0befbe02b71a07820b4683957
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4151888
Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org>
Reviewed-by: Philip Rogers <pdr@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1091068}