Rename setters synthetic/static to isSynthetic/isStatic.

pkg/analyzer/lib/src/generated/static_type_analyzer.dart

Index: pkg/analyzer/lib/src/generated/static_type_analyzer.dart
diff --git a/pkg/analyzer/lib/src/generated/static_type_analyzer.dart b/pkg/analyzer/lib/src/generated/static_type_analyzer.dart
index 47e5599b9d5bee04b68a4c147da5c8e16745ffd6..53745d27032eba5de4cbc32b64e3217afe28eba6 100644
--- a/pkg/analyzer/lib/src/generated/static_type_analyzer.dart
+++ b/pkg/analyzer/lib/src/generated/static_type_analyzer.dart
@@ -1630,7 +1630,7 @@ class StaticTypeAnalyzer extends SimpleAstVisitor<Object> {
     type = type.substitute2(freshTypeVars, typeVars);
 
     var function = new FunctionElementImpl("", -1);
-    function.synthetic = true;
+    function.isSynthetic = true;
     function.returnType = type.returnType;
     function.typeParameters = freshVarElements;
     function.shareParameters(type.parameters);
@@ -2002,7 +2002,7 @@ class StaticTypeAnalyzer extends SimpleAstVisitor<Object> {
 
             // Adjust the expected parameter type to have this return type.
             var function = new FunctionElementImpl(firstParamType.name, -1)
-              ..synthetic = true
+              ..isSynthetic = true
               ..shareParameters(firstParamType.parameters)
               ..returnType = paramReturnType;
             function.type = new FunctionTypeImpl(function);