Drop extra fields which covered by metadata: isLocal from JsFunction.

js/js.dart-ast/src/com/google/dart/compiler/backend/js/ast/JsFunction.java

@@ -19,7 +19,6 @@ public final class JsFunction extends JsLiteral implements HasName {
     @NotNull
     private final JsFunctionScope scope;
     private JsName name;
-    private boolean isLocal = false;
 
     public JsFunction(@NotNull JsScope parentScope, @NotNull String description) {
         this(parentScope, description, null);
@@ -63,10 +62,6 @@ public final class JsFunction extends JsLiteral implements HasName {
         return scope;
     }
 
-    public boolean isLocal() {
-        return isLocal;
-    }
-
     public void setBody(@NotNull JsBlock body) {
         this.body = body;
     }
@@ -75,10 +70,6 @@ public final class JsFunction extends JsLiteral implements HasName {
         this.name = name;
     }
 
-    public void markAsLocal() {
-        isLocal = true;
-    }
-
     @Override
     public void accept(JsVisitor v) {
         v.visitFunction(this);
@@ -106,7 +97,6 @@ public final class JsFunction extends JsLiteral implements HasName {
         functionCopy.getScope().copyOwnNames(scope);
         functionCopy.setBody(body.deepCopy());
         functionCopy.params = AstUtil.deepCopy(params);
-        functionCopy.isLocal = isLocal;
 
         return functionCopy.withMetadataFrom(this);
     }

js/js.inliner/src/org/jetbrains/k2js/inline/clean/removeUnusedFunctionDefinitions.kt

@@ -18,6 +18,7 @@ package org.jetbrains.k2js.inline.clean
 
 import com.google.dart.compiler.backend.js.ast.*
 import com.google.dart.compiler.backend.js.ast.metadata.staticRef
+import com.google.dart.compiler.backend.js.ast.metadata.isLocal
 
 import com.intellij.util.containers.Stack
 import java.util.IdentityHashMap
@@ -54,11 +55,11 @@ private class UnusedLocalFunctionsCollector(functions: Map<JsName, JsFunction>)
         get() = tracker.removable
 
     public fun process() {
-        functions.filter { it.value.isLocal() }
+        functions.filter { it.value.isLocal }
                  .forEach { tracker.addCandidateForRemoval(it.key, it.value) }
 
         for ((name, function) in functions) {
-            if (function.isLocal()) {
+            if (function.isLocal) {
                 processLocalFunction(name, function)
             } else {
                 processNonLocalFunction(name, function)

js/js.translator/src/org/jetbrains/k2js/translate/expression/LiteralFunctionTranslator.kt

@@ -18,6 +18,7 @@ package org.jetbrains.k2js.translate.expression
 
 import com.google.dart.compiler.backend.js.ast.*
 import com.google.dart.compiler.backend.js.ast.metadata.staticRef
+import com.google.dart.compiler.backend.js.ast.metadata.isLocal
 import org.jetbrains.jet.lang.descriptors.CallableDescriptor
 import org.jetbrains.jet.lang.descriptors.ReceiverParameterDescriptor
 import org.jetbrains.jet.lang.psi.JetDeclarationWithBody
@@ -60,11 +61,11 @@ class LiteralFunctionTranslator(context: TranslationContext) : AbstractTranslato
 
         if (tracker.hasCapturedExceptContaining()) {
             val lambdaCreator = simpleReturnFunction(invokingContext.scope(), lambda)
-            lambdaCreator.markAsLocal()
+            lambdaCreator.isLocal = true
             return lambdaCreator.withCapturedParameters(functionContext, invokingContext, descriptor)
         }
 
-        lambda.markAsLocal()
+        lambda.isLocal = true
         return invokingContext.define(descriptor, lambda)
     }
 }