Chromium changes: https://github.com/brave/chromium/commit/f300646db04f84970e8d67045ce05dda5b968a90 [Tab Switcher] Remove isGridTabSwitcherEnabled Now that M117 is branched and TabGroupsContinuationAndroid is the default everywhere the old flags for the initial development of the Grid Tab Switcher can finally be cleaned up. This is the fourth step which removes the isGridTabSwitcherEnabled method everywhere. As a result there are also a number of cascading side effects in distant files. Bug: 1466158 https://github.com/brave/chromium/commit/9724e9d8e7a2c1b07cd20964de56ab95bbdda72f [Tab Switcher] Remove isTabGroupsAndroidEnabled Now that M117 is branched and TabGroupsContinuationAndroid is the default everywhere the old flags for the initial development of the Grid Tab Switcher can finally be cleaned up. This is the fifth step which removes the isTabGroupsAndroidEnabled method everywhere. As a result there are also a number of cascading side effects outside the tab switcher proper. Bug: 1466158