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

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

Index: pkg/compiler/lib/src/ssa/kernel_ast_adapter.dart
diff --git a/pkg/compiler/lib/src/ssa/kernel_ast_adapter.dart b/pkg/compiler/lib/src/ssa/kernel_ast_adapter.dart
index 6c3c8355ebc4c14999b9e2caeb76287d1ea4dae9..719b3464011e4c4afa886e37edc269fc1b4b797d 100644
--- a/pkg/compiler/lib/src/ssa/kernel_ast_adapter.dart
+++ b/pkg/compiler/lib/src/ssa/kernel_ast_adapter.dart
@@ -100,13 +100,14 @@ class KernelAstAdapter {
     return new Selector(kind, name, callStructure);
   }
 
-  TypeMask getTypeMask(ir.MethodInvocation invocation) {
-    return _elements.getTypeMask(getNode(invocation));
+  TypeMask typeOfInvocation(ir.MethodInvocation invocation) {
+    return _compiler.globalInference.results
+        .typeOfSend(getNode(invocation), _elements);
   }
 
   TypeMask selectorTypeOf(ir.MethodInvocation invocation) {
     return TypeMaskFactory.inferredTypeForSelector(
-        getSelector(invocation), getTypeMask(invocation), _compiler);
+        getSelector(invocation), typeOfInvocation(invocation), _compiler);
   }
 
   bool isIntercepted(ir.MethodInvocation invocation) {