Fix expectations

pkg/dev_compiler/tool/sdk_expected_errors.txt

Index: pkg/dev_compiler/tool/sdk_expected_errors.txt
diff --git a/pkg/dev_compiler/tool/sdk_expected_errors.txt b/pkg/dev_compiler/tool/sdk_expected_errors.txt
index 3f935d69c861a1e090687c3948d6673ffe43d5e8..f944799c9d82ba9b3840e51776204c2798f47f80 100644
--- a/pkg/dev_compiler/tool/sdk_expected_errors.txt
+++ b/pkg/dev_compiler/tool/sdk_expected_errors.txt
@@ -51,12 +51,6 @@
 [error] Invalid override. The type of 'JsArray.[]=' ('(Object, E) → void') isn't a subtype of 'JsObject.[]=' ('(Object, dynamic) → dynamic'). (dart:js, line 363, col 3)
 [error] The return type 'double' isn't a 'T', as defined by the method 'min'. (dart:math, line 90, col 16)
 [error] The return type 'double' isn't a 'T', as defined by the method 'max'. (dart:math, line 125, col 16)
-[warning] Unsafe implicit cast from 'Function' to '(dynamic) → FutureOr<T>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:async/future_impl.dart, line 151, col 11)
-[warning] Unsafe implicit cast from '(T) → dynamic' to '(T) → FutureOr<E>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:async/future_impl.dart, line 249, col 57)
-[warning] Unsafe implicit cast from 'StreamSubscription<dynamic>' to 'StreamSubscription<T>'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:async/stream_impl.dart, line 1011, col 42)
-[warning] Unsafe implicit cast from 'Object' to 'K'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:collection, line 411, col 49)
-[warning] Unsafe implicit cast from 'Object' to 'E'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:collection, line 757, col 14)
-[warning] Unsafe implicit cast from 'Object' to 'E'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:collection, line 1134, col 14)
 [warning] The final variable 'origin' must be initialized. (dart:html, line 177, col 3)
 [warning] The final variable 'origin' must be initialized. (dart:html, line 813, col 3)
 [warning] The final variables 'form', 'labels' and '3' more must be initialized. (dart:html, line 1691, col 3)
@@ -89,10 +83,6 @@
 [warning] The final variables 'form', 'labels' and '5' more must be initialized. (dart:html, line 32069, col 3)
 [warning] The final variables 'readyState' and 'track' must be initialized. (dart:html, line 33056, col 3)
 [warning] The final variables 'decodedFrameCount', 'droppedFrameCount' and '2' more must be initialized. (dart:html, line 33754, col 3)
-[warning] Unsafe implicit cast from '(T) → void' to '(Event) → dynamic'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:html, line 40126, col 45)
-[warning] Unsafe implicit cast from 'num' to 'T'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:math/rectangle.dart, line 151, col 22)
-[warning] Unsafe implicit cast from 'num' to 'T'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:math/rectangle.dart, line 152, col 23)
-[warning] Unsafe implicit cast from 'num' to 'T'. This usually indicates that type information was lost and resulted in 'dynamic' and/or a place that will have a failure at runtime. (dart:math/rectangle.dart, line 275, col 10)
 [warning] The final variables 'href' and 'target' must be initialized. (dart:svg, line 60, col 3)
 [warning] The final variables 'requiredExtensions', 'requiredFeatures' and '2' more must be initialized. (dart:svg, line 489, col 3)
 [warning] The final variables 'cx', 'cy' and '1' more must be initialized. (dart:svg, line 562, col 3)