Rename setters synthetic/static to isSynthetic/isStatic.

pkg/analyzer/lib/src/summary/resynthesize.dart

Index: pkg/analyzer/lib/src/summary/resynthesize.dart
diff --git a/pkg/analyzer/lib/src/summary/resynthesize.dart b/pkg/analyzer/lib/src/summary/resynthesize.dart
index c95f67f98e9056a84acf82f684b01758eb39835e..c07a2d8ed77885055ae53095e6ba8be0860fc121 100644
--- a/pkg/analyzer/lib/src/summary/resynthesize.dart
+++ b/pkg/analyzer/lib/src/summary/resynthesize.dart
@@ -213,13 +213,13 @@ abstract class SummaryResynthesizer extends ElementResynthesizer {
       if (serializedLibrary == null) {
         LibraryElementImpl libraryElement =
             new LibraryElementImpl(context, '', -1, 0);
-        libraryElement.synthetic = true;
+        libraryElement.isSynthetic = true;
         CompilationUnitElementImpl unitElement =
             new CompilationUnitElementImpl(librarySource.shortName);
         libraryElement.definingCompilationUnit = unitElement;
         unitElement.source = librarySource;
         unitElement.librarySource = librarySource;
-        return libraryElement..synthetic = true;
+        return libraryElement..isSynthetic = true;
       }
       UnlinkedUnit unlinkedSummary = _getUnlinkedSummaryOrNull(uri);
       if (unlinkedSummary == null) {
@@ -1644,7 +1644,7 @@ class _UnitResynthesizer {
           variable.enclosingElement = unit;
           implicitVariables[name] = variable;
           accessorsData.implicitVariables.add(variable);
-          variable.synthetic = true;
+          variable.isSynthetic = true;
           variable.isFinal = kind == UnlinkedExecutableKind.getter;
         } else {
           variable.isFinal = false;