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Update docs for how to enable reader mode flags

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Bug: 1041589
No-try: true
Change-Id: Ib5d355bce4ba17e2da9cf26483e7de6e84495ce3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2404152
Auto-Submit: Dominic Mazzoni <dmazzoni@chromium.org>
Reviewed-by: Meredith Lane <meredithl@chromium.org>
Commit-Queue: Meredith Lane <meredithl@chromium.org>
Cr-Commit-Position: refs/heads/master@{#805990}
This commit is contained in:
Dominic Mazzoni
2020-09-11 00:46:04 +00:00
committed by Commit Bot
parent a10a960079
commit ae0ad3ad97
1 changed files with 10 additions and 1 deletions

11
docs/accessibility/reader_mode.md

@ -16,6 +16,15 @@ flag, ‘enable-reader-mode’. To run Chrome with Reader Mode, set the “Enabl
Reader Mode” flag to “Enabled” in chrome://flags or start Chrome with Reader Mode” flag to “Enabled” in chrome://flags or start Chrome with
--enable-feature=”ReaderMode”. --enable-feature=”ReaderMode”.
There's also a flag that instead exposes a Setting; with this variant, users
need to first enable the Setting once and then they can use Reader Mode
on any supported page. Enabling this variant requires a long command-line
argument:
```
--enable-features="ReaderMode<FakeStudy" --force-fieldtrials=FakeStudy/FakeGroup --force-fieldtrial-params="FakeStudy.FakeGroup:discoverability/offer-in-settings"
```
### Code Locations ### Code Locations
Most of Reader Mode code is in components/dom_distiller (see the Most of Reader Mode code is in components/dom_distiller (see the
@ -164,4 +173,4 @@ distilled page.
Pages are loaded by Pages are loaded by
[DomDistillerViewerSource](https://source.chromium.org/chromium/chromium/src/+/master:components/dom_distiller/content/browser/dom_distiller_viewer_source.h), [DomDistillerViewerSource](https://source.chromium.org/chromium/chromium/src/+/master:components/dom_distiller/content/browser/dom_distiller_viewer_source.h),
which serves the HTML and resources for viewing pages. After the DOM is which serves the HTML and resources for viewing pages. After the DOM is
initially loaded, the contents are populated via Javascript. initially loaded, the contents are populated via Javascript.