Move hasRuntimeTypeSupport, hasIsolateSupport, and hasFunctionApplySupport to JavaScriptBackend.

pkg/compiler/lib/src/universe/world_builder.dart

Index: pkg/compiler/lib/src/universe/world_builder.dart
diff --git a/pkg/compiler/lib/src/universe/world_builder.dart b/pkg/compiler/lib/src/universe/world_builder.dart
index e25042fa47f9901528b8854bdca78f9723e6b011..dac0dbe2b7bd649da87c10888dd14c127399c859 100644
--- a/pkg/compiler/lib/src/universe/world_builder.dart
+++ b/pkg/compiler/lib/src/universe/world_builder.dart
@@ -169,15 +169,6 @@ abstract class ResolutionWorldBuilder implements WorldBuilder {
   /// Returns `true` if [member] is invoked as a setter.
   bool hasInvokedSetter(Element member);
 
-  /// `true` of `Object.runtimeType` is supported.
-  bool get hasRuntimeTypeSupport;
-
-  /// `true` of use of the `dart:isolate` library is supported.
-  bool get hasIsolateSupport;
-
-  /// `true` of `Function.apply` is supported.
-  bool get hasFunctionApplySupport;
-
   /// The [OpenWorld] being created by this world builder.
   // TODO(johnniwinther): Merge this with [ResolutionWorldBuilder].
   OpenWorld get openWorld;
@@ -1510,9 +1501,9 @@ abstract class _StaticMemberUsage extends _AbstractUsage<MemberUse> {
 }
 
 class _GeneralStaticMemberUsage extends _StaticMemberUsage {
-   _GeneralStaticMemberUsage(Entity entity) : super.internal(entity);
+  _GeneralStaticMemberUsage(Entity entity) : super.internal(entity);
 
-   EnumSet<MemberUse> tearOff() => normalUse();
+  EnumSet<MemberUse> tearOff() => normalUse();
 }
 
 class _StaticFunctionUsage extends _StaticMemberUsage {
@@ -1530,4 +1521,4 @@ class _StaticFunctionUsage extends _StaticMemberUsage {
 
   @override
   EnumSet<MemberUse> get _originalUse => MemberUses.ALL;
-}
+}