Convert property methods into getters.

sdk/lib/_internal/compiler/implementation/inferrer/node_tracer.dart

Index: sdk/lib/_internal/compiler/implementation/inferrer/node_tracer.dart
diff --git a/sdk/lib/_internal/compiler/implementation/inferrer/node_tracer.dart b/sdk/lib/_internal/compiler/implementation/inferrer/node_tracer.dart
index 10838299795508ce81fda68fe4956a978d83fb0b..3ffccd5dc6223ab1cf69cdc552b0891a99d6470a 100644
--- a/sdk/lib/_internal/compiler/implementation/inferrer/node_tracer.dart
+++ b/sdk/lib/_internal/compiler/implementation/inferrer/node_tracer.dart
@@ -208,7 +208,7 @@ abstract class TracerVisitor<T extends TypeInformation>
         flow.users.forEach((user) {
           if (user is !DynamicCallSiteTypeInformation) return;
           if (user.receiver != flow) return;
-          if (user.selector.isIndex()) {
+          if (user.selector.isIndex) {
             addNewEscapeInformation(user);
           } else if (!doesNotEscapeMapSet.contains(user.selector.name)) {
             bailout('Escape from a map via [${user.selector.name}]');
@@ -308,8 +308,8 @@ abstract class TracerVisitor<T extends TypeInformation>
    * [isAddedToContainer].
    */
   bool isParameterOfListAddingMethod(Element element) {
-    if (!element.isParameter()) return false;
-    if (element.getEnclosingClass() != compiler.backend.listImplementation) {
+    if (!element.isParameter) return false;
+    if (element.enclosingClass != compiler.backend.listImplementation) {
       return false;
     }
     Element method = element.enclosingElement;
@@ -324,8 +324,8 @@ abstract class TracerVisitor<T extends TypeInformation>
    * [isValueAddedToMap] and [isKeyAddedToMap].
    */
   bool isParameterOfMapAddingMethod(Element element) {
-    if (!element.isParameter()) return false;
-    if (element.getEnclosingClass() != compiler.backend.mapImplementation) {
+    if (!element.isParameter) return false;
+    if (element.enclosingClass != compiler.backend.mapImplementation) {
       return false;
     }
     Element method = element.enclosingElement;
@@ -333,23 +333,23 @@ abstract class TracerVisitor<T extends TypeInformation>
   }
 
   bool isClosure(Element element) {
-    if (!element.isFunction()) return false;
+    if (!element.isFunction) return false;
     /// Creating an instance of a class that implements [Function] also
     /// closurizes the corresponding [call] member. We do not currently
     /// track these, thus the check for [isClosurized] on such a method will
     /// return false. Instead we catch that case here for now.
     // TODO(herhut): Handle creation of closures from instances of Function.
-    if (element.isInstanceMember() &&
+    if (element.isInstanceMember &&
         element.name == Compiler.CALL_OPERATOR_NAME) {
       return true;
     }
-    Element outermost = element.getOutermostEnclosingMemberOrTopLevel();
+    Element outermost = element.outermostEnclosingMemberOrTopLevel;
     return outermost.declaration != element.declaration;
   }
 
   void visitElementTypeInformation(ElementTypeInformation info) {
     Element element = info.element;
-    if (element.isParameter()
+    if (element.isParameter
         && inferrer.isNativeElement(element.enclosingElement)) {
       bailout('Passed to a native method');
     }