Convert property methods into getters.

sdk/lib/_internal/compiler/implementation/native_handler.dart

Index: sdk/lib/_internal/compiler/implementation/native_handler.dart
diff --git a/sdk/lib/_internal/compiler/implementation/native_handler.dart b/sdk/lib/_internal/compiler/implementation/native_handler.dart
index 20d082f52ba704adcfb6d90b65c10b39ece02092..3db15c9a703e42df106e9709e1f8f1d4f04aaf96 100644
--- a/sdk/lib/_internal/compiler/implementation/native_handler.dart
+++ b/sdk/lib/_internal/compiler/implementation/native_handler.dart
@@ -137,7 +137,7 @@ abstract class NativeEnqueuerBase implements NativeEnqueuer {
   void processNativeClassesInLibrary(LibraryElement library) {
     // Use implementation to ensure the inclusion of injected members.
     library.implementation.forEachLocalMember((Element element) {
-      if (element.isClass() && element.isNative()) {
+      if (element.isClass && element.isNative) {
         processNativeClass(element);
       }
     });
@@ -161,7 +161,7 @@ abstract class NativeEnqueuerBase implements NativeEnqueuer {
 
     libraries.forEach((library) {
       library.implementation.forEachLocalMember((element) {
-        if (element.isClass()) {
+        if (element.isClass) {
           String name = element.name;
           String extendsName = findExtendsNameOfClass(element);
           if (extendsName != null) {
@@ -180,7 +180,7 @@ abstract class NativeEnqueuerBase implements NativeEnqueuer {
     // fact a subclass of a native class.
 
     ClassElement nativeSuperclassOf(ClassElement classElement) {
-      if (classElement.isNative()) return classElement;
+      if (classElement.isNative) return classElement;
       if (classElement.superclass == null) return null;
       return nativeSuperclassOf(classElement.superclass);
     }
@@ -191,7 +191,7 @@ abstract class NativeEnqueuerBase implements NativeEnqueuer {
       ClassElement nativeSuperclass = nativeSuperclassOf(element);
       if (nativeSuperclass != null) {
         nativeClassesAndSubclasses.add(element);
-        if (!element.isNative()) {
+        if (!element.isNative) {
           nonNativeSubclasses.putIfAbsent(nativeSuperclass,
               () => new Set<ClassElement>())
             .add(element);
@@ -264,7 +264,7 @@ abstract class NativeEnqueuerBase implements NativeEnqueuer {
     }
 
     return compiler.withCurrentElement(classElement, () {
-      return scanForExtendsName(classElement.position());
+      return scanForExtendsName(classElement.position);
     });
   }
 
@@ -368,14 +368,14 @@ abstract class NativeEnqueuerBase implements NativeEnqueuer {
 
   registerElement(Element element) {
     compiler.withCurrentElement(element, () {
-      if (element.isFunction() || element.isGetter() || element.isSetter()) {
+      if (element.isFunction || element.isGetter || element.isSetter) {
         handleMethodAnnotations(element);
-        if (element.isNative()) {
+        if (element.isNative) {
           registerMethodUsed(element);
         }
-      } else if (element.isField()) {
+      } else if (element.isField) {
         handleFieldAnnotations(element);
-        if (element.isNative()) {
+        if (element.isNative) {
           registerFieldLoad(element);
           registerFieldStore(element);
         }
@@ -384,12 +384,12 @@ abstract class NativeEnqueuerBase implements NativeEnqueuer {
   }
 
   handleFieldAnnotations(Element element) {
-    if (element.enclosingElement.isNative()) {
+    if (element.enclosingElement.isNative) {
       // Exclude non-instance (static) fields - they not really native and are
       // compiled as isolate globals.  Access of a property of a constructor
       // function or a non-method property in the prototype chain, must be coded
       // using a JS-call.
-      if (element.isInstanceMember()) {
+      if (element.isInstanceMember) {
         setNativeName(element);
       }
     }
@@ -410,7 +410,7 @@ abstract class NativeEnqueuerBase implements NativeEnqueuer {
   }
 
   bool isNativeMethod(Element element) {
-    if (!element.getLibrary().canUseNative) return false;
+    if (!element.library.canUseNative) return false;
     // Native method?
     return compiler.withCurrentElement(element, () {
       Node node = element.parseNode(compiler);
@@ -596,7 +596,7 @@ class NativeCodegenEnqueuer extends NativeEnqueuerBase {
   }
 
   void addSubtypes(ClassElement cls, NativeEmitter emitter) {
-    if (!cls.isNative()) return;
+    if (!cls.isNative) return;
     if (doneAddSubtypes.contains(cls)) return;
     doneAddSubtypes.add(cls);
 
@@ -616,7 +616,7 @@ class NativeCodegenEnqueuer extends NativeEnqueuerBase {
     // natives classes.
     ClassElement superclass = cls.superclass;
     while (superclass != null && superclass.isMixinApplication) {
-      assert(!superclass.isNative());
+      assert(!superclass.isNative);
       superclass = superclass.superclass;
     }
 
@@ -991,7 +991,7 @@ class NativeBehavior {
 }
 
 void checkAllowedLibrary(ElementListener listener, Token token) {
-  LibraryElement currentLibrary = listener.compilationUnitElement.getLibrary();
+  LibraryElement currentLibrary = listener.compilationUnitElement.library;
   if (!currentLibrary.canUseNative) {
     listener.recoverableError(token, "Unexpected token");
   }
@@ -1112,8 +1112,8 @@ void handleSsaNative(SsaBuilder builder, Expression nativeBody) {
   // 3) foo() native "return 42";
   //      hasBody = true
   bool hasBody = false;
-  assert(element.isNative());
-  String nativeMethodName = element.fixedBackendName();
+  assert(element.isNative);
+  String nativeMethodName = element.fixedBackendName;
   if (nativeBody != null) {
     LiteralString jsCode = nativeBody.asLiteralString();
     String str = jsCode.dartString.slowToString();
@@ -1133,7 +1133,7 @@ void handleSsaNative(SsaBuilder builder, Expression nativeBody) {
     List<String> arguments = <String>[];
     List<HInstruction> inputs = <HInstruction>[];
     String receiver = '';
-    if (element.isInstanceMember()) {
+    if (element.isInstanceMember) {
       receiver = '#.';
       inputs.add(builder.localsHandler.readThis());
     }