Exposing these in the renderer didn't make sense as they weren't backed
by the same instance / value store. This API should be browser only
especially now that we have nativeTheme.themeSource. Exposing in
//common was a mistake from the beginning.
* feat: add nativeTheme.shouldUseDarkColorsOverride to allow apps to override Chromiums theme choice
* spec: add tests for shouldUseDarkColorsOverride
* chore: add missing forward declarations
* refactor: rename overrideShouldUseDarkColors to themeSource
* chore: only run appLevelAppearance specs on Mojave and up
* chore: update patch with more info and no define
* Update spec-main/api-native-theme-spec.ts
Co-Authored-By: Jeremy Apthorp <jeremya@chromium.org>
* Update api-native-theme-spec.ts
* Update api-native-theme-spec.ts
* Update api-native-theme-spec.ts
* feat: add new nativeTheme API
* chore: deprecate and clean up old systemPreferences theme APIs in favor of new nativeTheme module
* chore: clean up and deprecate things per feedback
* chore: add tests for deprecate and clean up invert impl
* build: when is a boolean not a boolean???