Turn on incremental resolution.

pkg/analysis_server/lib/driver.dart

Index: pkg/analysis_server/lib/driver.dart
diff --git a/pkg/analysis_server/lib/driver.dart b/pkg/analysis_server/lib/driver.dart
index eba38f2666412e8f8e976851bdea618ec31a9af0..de74f735ab4a9bed5673f2260cbf36e2e3742b26 100644
--- a/pkg/analysis_server/lib/driver.dart
+++ b/pkg/analysis_server/lib/driver.dart
@@ -62,12 +62,6 @@ class Driver {
   static const String CLIENT_ID = "client-id";
 
   /**
-   * The name of the option used to enable incremental resolution.
-   */
-  static const String ENABLE_INCREMENTAL_RESOLUTION =
-      "enable-incremental-resolution";
-
-  /**
    * The name of the option used to enable incremental resolution of API
    * changes.
    */
@@ -134,11 +128,6 @@ class Driver {
         CLIENT_ID,
         help: "an identifier used to identify the client");
     parser.addFlag(
-        ENABLE_INCREMENTAL_RESOLUTION,
-        help: "enable using incremental resolution",
-        defaultsTo: false,
-        negatable: false);
-    parser.addFlag(
         ENABLE_INCREMENTAL_RESOLUTION_API,
         help: "enable using incremental resolution for API changes",
         defaultsTo: false,
@@ -212,8 +201,6 @@ class Driver {
     }
 
     AnalysisServerOptions analysisServerOptions = new AnalysisServerOptions();
-    analysisServerOptions.enableIncrementalResolution =
-        results[ENABLE_INCREMENTAL_RESOLUTION];
     analysisServerOptions.enableIncrementalResolutionApi =
         results[ENABLE_INCREMENTAL_RESOLUTION_API];