Remove contextRoot, won't be required in master soon, and breaks dev
diff --git a/analyzer_plugin/lib/src/angular_driver.dart b/analyzer_plugin/lib/src/angular_driver.dart
index d4dfb39..32682e3 100644
--- a/analyzer_plugin/lib/src/angular_driver.dart
+++ b/analyzer_plugin/lib/src/angular_driver.dart
@@ -2,7 +2,6 @@
 import 'dart:async';
 import 'dart:collection';
 import 'package:analysis_server/src/analysis_server.dart';
-import 'package:analyzer/context/context_root.dart';
 import 'package:analyzer/src/dart/analysis/byte_store.dart';
 import 'package:analyzer/error/listener.dart';
 import 'package:analyzer/src/generated/sdk.dart';
@@ -59,8 +58,6 @@
     _fileTracker = new FileTracker(this);
   }
 
-  ContextRoot get contextRoot => dartDriver.contextRoot;
-
   ApiSignature getUnitElementHash(String path) {
     return dartDriver.getUnitKeyByPath(path);
   }