Move hasRuntimeTypeSupport, hasIsolateSupport, and hasFunctionApplySupport to JavaScriptBackend.

pkg/compiler/lib/src/ssa/builder_kernel.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:kernel/ast.dart' as ir;
 
 import '../common.dart';
 import '../common/codegen.dart' show CodegenRegistry, CodegenWorkItem;
 import '../common/names.dart';
 import '../common/tasks.dart' show CompilerTask;
@@ skipping 1200 matching lines @@
     StringConstantValue stringConstant = hConstant.constant;
     return stringConstant.primitiveValue.slowToString();
   }
 
   void handleForeignJsCurrentIsolateContext(ir.StaticInvocation invocation) {
     if (_unexpectedForeignArguments(invocation, 0, 0)) {
       stack.add(graph.addConstantNull(compiler)); // Result expected on stack.
       return;
     }
 
-    if (!compiler.hasIsolateSupport) {
+    if (!backend.hasIsolateSupport) {
       // If the isolate library is not used, we just generate code
       // to fetch the static state.
       String name = backend.namer.staticStateHolder;
       push(new HForeignCode(
           js.js.parseForeignJS(name), backend.dynamicType, <HInstruction>[],
           nativeBehavior: native.NativeBehavior.DEPENDS_OTHER));
     } else {
       // Call a helper method from the isolate library. The isolate library uses
       // its own isolate structure that encapsulates the isolate structure used
       // for binding to methods.
       ir.Procedure target = astAdapter.currentIsolate;
       if (target == null) {
         compiler.reporter.internalError(astAdapter.getNode(invocation),
             'Isolate library and compiler mismatch.');
       }
       _pushStaticInvocation(target, <HInstruction>[], backend.dynamicType);
     }
   }
 
   void handleForeignJsCallInIsolate(ir.StaticInvocation invocation) {
     if (_unexpectedForeignArguments(invocation, 2, 2)) {
       stack.add(graph.addConstantNull(compiler)); // Result expected on stack.
       return;
     }
 
     List<HInstruction> inputs = _visitArguments(invocation.arguments);
 
-    if (!compiler.hasIsolateSupport) {
+    if (!backend.hasIsolateSupport) {
       // If the isolate library is not used, we ignore the isolate argument and
       // just invoke the closure.
       push(new HInvokeClosure(new Selector.callClosure(0),
           <HInstruction>[inputs[1]], backend.dynamicType));
     } else {
       // Call a helper method from the isolate library.
       ir.Procedure callInIsolate = astAdapter.callInIsolate;
       if (callInIsolate == null) {
         compiler.reporter.internalError(astAdapter.getNode(invocation),
             'Isolate library and compiler mismatch.');
@@ skipping 465 matching lines @@
     push(new HNot(popBoolified(), backend.boolType));
   }
 
   @override
   void visitStringConcatenation(ir.StringConcatenation stringConcat) {
     KernelStringBuilder stringBuilder = new KernelStringBuilder(this);
     stringConcat.accept(stringBuilder);
     stack.add(stringBuilder.result);
   }
 }