Roll engine to d2b69fec751d6d11f62019c863b2cba4ce575bfe (#16307)

bin/internal/engine.version

-aa9ce7092801e7ed8f3f86df0d1067279d13784d
+d2b69fec751d6d11f62019c863b2cba4ce575bfe

packages/flutter/test/painting/decoration_test.dart

@@ -3,7 +3,8 @@
 // found in the LICENSE file.
 
 import 'dart:async';
-import 'dart:ui' as ui show Image, ColorFilter;
+import 'dart:typed_data';
+import 'dart:ui' as ui show EncodingFormat, Image, ColorFilter;
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/painting.dart';
@@ -87,6 +88,11 @@ class TestImage implements ui.Image {
 
   @override
   void dispose() { }
+
+  @override
+  Future<ByteData> toByteData({ui.EncodingFormat format}) async {
+    throw new UnsupportedError('Cannot encode test image');
+  }
 }
 
 void main() {

packages/flutter/test/painting/image_stream_test.dart

@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 import 'dart:async';
+import 'dart:typed_data';
 import 'dart:ui';
 
 import 'package:flutter/painting.dart';
@@ -37,6 +38,11 @@ class FakeImage implements Image {
 
   @override
   void dispose() {}
+
+  @override
+  Future<ByteData> toByteData({EncodingFormat format}) async {
+    throw new UnsupportedError('Cannot encode test image');
+  }
 }
 
 class MockCodec implements Codec {

packages/flutter/test/painting/paint_image_test.dart

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'dart:async';
+import 'dart:typed_data';
 import 'dart:ui' as ui;
 
 import 'package:flutter/painting.dart';
@@ -19,6 +21,11 @@ class TestImage implements ui.Image {
 
   @override
   void dispose() { }
+
+  @override
+  Future<ByteData> toByteData({ui.EncodingFormat format}) async {
+    throw new UnsupportedError('Cannot encode test image');
+  }
 }
 
 class TestCanvas implements Canvas {

packages/flutter/test/painting/shape_decoration_test.dart

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'dart:async';
+import 'dart:typed_data';
 import 'dart:ui' as ui;
 
 import 'package:flutter/foundation.dart';
@@ -121,4 +123,9 @@ class TestImage implements ui.Image {
 
   @override
   void dispose() { }
+
+  @override
+  Future<ByteData> toByteData({ui.EncodingFormat format}) async {
+    throw new UnsupportedError('Cannot encode test image');
+  }
 }

packages/flutter/test/rendering/image_test.dart

@@ -2,7 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui' as ui show Image;
+import 'dart:async';
+import 'dart:typed_data';
+import 'dart:ui' as ui show EncodingFormat, Image;
 
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
@@ -16,6 +18,11 @@ class SquareImage implements ui.Image {
   @override
   int get height => 10;
 
+  @override
+  Future<ByteData> toByteData({ui.EncodingFormat format}) async {
+    throw new UnsupportedError('Cannot encode test image');
+  }
+
   @override
   String toString() => '[$width\u00D7$height]';
 
@@ -30,6 +37,11 @@ class WideImage implements ui.Image {
   @override
   int get height => 10;
 
+  @override
+  Future<ByteData> toByteData({ui.EncodingFormat format}) async {
+    throw new UnsupportedError('Cannot encode test image');
+  }
+
   @override
   String toString() => '[$width\u00D7$height]';
 
@@ -44,6 +56,11 @@ class TallImage implements ui.Image {
   @override
   int get height => 20;
 
+  @override
+  Future<ByteData> toByteData({ui.EncodingFormat format}) async {
+    throw new UnsupportedError('Cannot encode test image');
+  }
+
   @override
   String toString() => '[$width\u00D7$height]';
 

packages/flutter/test/widgets/image_resolution_test.dart

@@ -4,7 +4,7 @@
 
 import 'dart:async';
 import 'dart:typed_data';
-import 'dart:ui' as ui show Image;
+import 'dart:ui' as ui show EncodingFormat, Image;
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/rendering.dart';
@@ -24,6 +24,11 @@ class TestImage implements ui.Image {
 
   @override
   void dispose() { }
+
+  @override
+  Future<ByteData> toByteData({ui.EncodingFormat format}) async {
+    throw new UnsupportedError('Cannot encode test image');
+  }
 }
 
 class TestByteData implements ByteData {

packages/flutter/test/widgets/image_rtl_test.dart

@@ -3,7 +3,8 @@
 // found in the LICENSE file.
 
 import 'dart:async';
-import 'dart:ui' as ui show Image;
+import 'dart:typed_data';
+import 'dart:ui' as ui show EncodingFormat, Image;
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';
@@ -34,6 +35,11 @@ class TestImage implements ui.Image {
 
   @override
   void dispose() { }
+
+  @override
+  Future<ByteData> toByteData({ui.EncodingFormat format}) async {
+    throw new UnsupportedError('Cannot encode test image');
+  }
 }
 
 void main() {

packages/flutter/test/widgets/image_test.dart

@@ -4,7 +4,7 @@
 
 import 'dart:async';
 import 'dart:typed_data';
-import 'dart:ui' as ui show Image;
+import 'dart:ui' as ui show EncodingFormat, Image;
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/rendering.dart';
@@ -483,6 +483,11 @@ class TestImage implements ui.Image {
   @override
   void dispose() { }
 
+  @override
+  Future<ByteData> toByteData({ui.EncodingFormat format}) async {
+    throw new UnsupportedError('Cannot encode test image');
+  }
+
   @override
   String toString() => '[$width\u00D7$height]';
 }