Turn on incremental resolution.

pkg/analysis_server/lib/src/analysis_server.dart

Index: pkg/analysis_server/lib/src/analysis_server.dart
diff --git a/pkg/analysis_server/lib/src/analysis_server.dart b/pkg/analysis_server/lib/src/analysis_server.dart
index 94fa1731ce1d4396cfa23e3ba1ab82d2374f32dc..d98bfb65a008432425b4fa6a891cf8debede22fd 100644
--- a/pkg/analysis_server/lib/src/analysis_server.dart
+++ b/pkg/analysis_server/lib/src/analysis_server.dart
@@ -196,8 +196,7 @@ class AnalysisServer {
     operationQueue = new ServerOperationQueue(this);
     contextDirectoryManager =
         new ServerContextManager(this, resourceProvider, packageMapProvider);
-    contextDirectoryManager.defaultOptions.incremental =
-        analysisServerOptions.enableIncrementalResolution;
+    contextDirectoryManager.defaultOptions.incremental = true;

[Brian Wilkerson, 2014/12/12 20:56:50]

I assume we'll remove this option sometime later.

     contextDirectoryManager.defaultOptions.incrementalApi =
         analysisServerOptions.enableIncrementalResolutionApi;
     AnalysisEngine.instance.logger = new AnalysisLogger();
@@ -936,7 +935,6 @@ class AnalysisServer {
 
 
 class AnalysisServerOptions {
-  bool enableIncrementalResolution = false;
   bool enableIncrementalResolutionApi = false;
 }