cb29abbd20
All physical iOS devices Flutter supports (iOS 12+) can run Metal. The only time Flutter doesn't use Metal afaik is for iOS simulators running < iOS 13, which is covered by a few `if (@available(iOS METAL_IOS_VERSION_BASELINE, *))` checks.aef5775087/shell/platform/darwin/ios/rendering_api_selection.h (L37-L41)Remove hardware checks for physical devices. Remove `shell_enable_metal` from the gn files and the `#if SHELL_ENABLE_METAL` checks in the iOS embedder. I limited this PR to just iOS, but I imagine it's safe to remove `shell_enable_metal` everywhere?97b286ca62/shell/platform/darwin/macos/BUILD.gn (L18)97b286ca62/tools/gn (L673-L679)