null build after dart.lib patches

null_build.txt

C:\src\engine\src [master +4 ~1 -0 !]> ninja -C .\out\host_debug_unopt\ -v -d explain
ninja: Entering directory `.\out\host_debug_unopt\'
ninja explain: output flutter_web_sdk_stamp doesn't exist
ninja explain: flutter_web_sdk_stamp is dirty
ninja explain: obj/flutter/web_sdk/web_engine_sources.stamp is dirty
ninja explain: output flutter_web_engine_sdk_stamp doesn't exist
ninja explain: flutter_web_engine_sdk_stamp is dirty
ninja explain: obj/flutter/web_sdk/web_ui_sources.stamp is dirty
ninja explain: obj/flutter/web_sdk/web_sdk.stamp is dirty
ninja explain: obj/flutter/flutter.stamp is dirty
ninja explain: obj/default.stamp is dirty
[1/7] C:/Users/Study/Documents/chromium/depot_tools/bootstrap-3_8_0_chromium_8_bin/python/bin/python.exe ../../third_party/dart/build/gn_run_binary.py compiled_action C:/src/engine/src/third_party/dart/tools/sdks/dart-sdk/bin/dart.exe --packages=C:/src/engine/src/third_party/dart/.packages --dfe=C:/src/engine/src/third_party/dart/tools/sdks/dart-sdk/bin/snapshots/kernel-service.dart.snapshot C:/src/engine/src/flutter/web_sdk/sdk_rewriter.dart --output-dir=C:/src/engine/src/out/host_debug_unopt/flutter_web_sdk/lib/ui/ --input-dir=C:/src/engine/src/flutter/lib/web_ui/lib/ --ui --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/annotations.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/canvas.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/channel_buffers.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/compositing.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/geometry.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/hash_codes.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/initialization.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/lerp.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/natives.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/painting.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/path.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/path_metrics.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/pointer.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/semantics.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/test_embedding.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/text.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/tile_mode.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/ui/window.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/ui.dart
[2/6] C:/Users/Study/Documents/chromium/depot_tools/bootstrap-3_8_0_chromium_8_bin/python/bin/python.exe ../../third_party/dart/build/gn_run_binary.py compiled_action C:/src/engine/src/third_party/dart/tools/sdks/dart-sdk/bin/dart.exe --packages=C:/src/engine/src/third_party/dart/.packages --dfe=C:/src/engine/src/third_party/dart/tools/sdks/dart-sdk/bin/snapshots/kernel-service.dart.snapshot C:/src/engine/src/flutter/web_sdk/sdk_rewriter.dart --output-dir=C:/src/engine/src/out/host_debug_unopt/flutter_web_sdk/lib/_engine/ --input-dir=C:/src/engine/src/flutter/lib/web_ui/lib/src/ --engine --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/alarm_clock.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/assets.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/bitmap_canvas.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/browser_detection.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/browser_location.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/canvas_pool.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/clipboard.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/color_filter.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/conic.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/dom_canvas.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/dom_renderer.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/engine_canvas.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/frame_reference.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/history.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/houdini_canvas.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/html_image_codec.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/keyboard.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/mouse_cursor.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/onscreen_logging.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/path_to_svg.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/picture.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/platform_views.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/plugins.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/pointer_binding.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/pointer_converter.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/profiler.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/rrect_renderer.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/shader.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/shadow.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/test_embedding.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/util.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/validators.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/vector_math.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/web_experiments.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/window.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/canvas.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/canvas_kit_canvas.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/color_filter.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/embedded_views.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/fonts.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/image.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/image_filter.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/initialization.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/layer.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/layer_scene_builder.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/layer_tree.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/n_way_canvas.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/painting.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/path.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/path_metrics.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/picture.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/picture_recorder.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/platform_message.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/rasterizer.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/raster_cache.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/surface.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/text.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/util.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/vertices.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/compositor/viewport_metrics.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/accessibility.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/checkable.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/image.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/incrementable.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/label_and_value.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/live_region.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/scrollable.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/semantics.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/semantics_helper.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/tappable.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/text_field.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/services/buffers.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/services/message_codec.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/services/message_codecs.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/services/serialization.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/backdrop_filter.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/canvas.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/clip.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/debug_canvas_reuse_overlay.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/image_filter.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/offset.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/opacity.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/painting.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/path.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/path_metrics.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/picture.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/platform_view.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/recording_canvas.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/render_vertices.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/scene.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/scene_builder.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/surface.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/surface_stats.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/surface/transform.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/text/font_collection.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/text/line_breaker.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/text/line_break_properties.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/text/measurement.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/text/paragraph.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/text/ruler.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/text/unicode_range.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/text/word_breaker.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/text/word_break_properties.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/text_editing/autofill_hint.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/text_editing/input_type.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine/text_editing/text_editing.dart --input=C:/src/engine/src/flutter/lib/web_ui/lib/src/engine.dart