Get rid of _inFunction in ApiElementBuilder.

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

Index: pkg/analyzer/lib/src/generated/incremental_resolver.dart
diff --git a/pkg/analyzer/lib/src/generated/incremental_resolver.dart b/pkg/analyzer/lib/src/generated/incremental_resolver.dart
index f17e793604d77975d0cfd98d274ceed7c6beec6b..d847a7bf4c8a292f1e84b77eec4378fe0c67eab4 100644
--- a/pkg/analyzer/lib/src/generated/incremental_resolver.dart
+++ b/pkg/analyzer/lib/src/generated/incremental_resolver.dart
@@ -274,9 +274,7 @@ class IncrementalResolver {
     LoggingTimer timer = logger.startTimer();
     try {
       ElementHolder holder = new ElementHolder();
-      ElementBuilder builder = new ElementBuilder(holder, _definingUnit);
-      builder.initForFunctionBodyIncrementalResolution();
-      node.accept(builder);
+      node.accept(new LocalElementBuilder(holder, _definingUnit));
       // Move local elements into the ExecutableElementImpl.
       ExecutableElementImpl executableElement =
           executable.element as ExecutableElementImpl;