Refactor how we read global-type-inference data from ssa

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/codegen.dart' show CodegenRegistry, CodegenWorkItem;
 import '../common/tasks.dart' show CompilerTask;
 import '../compiler.dart';
 import '../diagnostics/spannable.dart';
@@ skipping 280 matching lines @@
       HInterceptor interceptor =
           new HInterceptor(receiver, backend.nonNullType);
       add(interceptor);
       inputs.add(interceptor);
     }
     inputs.addAll(arguments);
 
     TypeMask type = astAdapter.selectorTypeOf(invocation);
 
     push(new HInvokeDynamicMethod(astAdapter.getSelector(invocation),
-        astAdapter.getTypeMask(invocation), inputs, type, isIntercepted));
+        astAdapter.typeOfInvocation(invocation), inputs, type, isIntercepted));
   }
 
   @override
   visitThisExpression(ir.ThisExpression thisExpression) {
     stack.add(localsHandler.readThis());
   }
 
   @override
   visitNot(ir.Not not) {
     not.operand.accept(this);
     push(new HNot(popBoolified(), backend.boolType));
   }
 }