Share LibrarySpecificUnits when possible

pkg/analyzer/test/generated/engine_test.dart

Index: pkg/analyzer/test/generated/engine_test.dart
diff --git a/pkg/analyzer/test/generated/engine_test.dart b/pkg/analyzer/test/generated/engine_test.dart
index 1d0871dac36aacc13ba470b96cf54a54967d4496..de02fc001780d428e792e498b5883c17c963ed3b 100644
--- a/pkg/analyzer/test/generated/engine_test.dart
+++ b/pkg/analyzer/test/generated/engine_test.dart
@@ -21,6 +21,7 @@ import 'package:analyzer/src/generated/java_core.dart';
 import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:analyzer/src/string_source.dart';
+import 'package:analyzer/task/dart.dart';
 import 'package:analyzer/task/model.dart';
 import 'package:html/dom.dart' show Document;
 import 'package:typed_mock/typed_mock.dart';
@@ -225,6 +226,12 @@ class TestAnalysisContext implements InternalAnalysisContext {
   }
 
   @override
+  CacheConsistencyValidator get cacheConsistencyValidator {
+    fail("Unexpected invocation of cacheConsistencyValidator");
+    return null;
+  }
+
+  @override
   set contentCache(ContentCache value) {
     fail("Unexpected invocation of setContentCache");
   }
@@ -393,6 +400,9 @@ class TestAnalysisContext implements InternalAnalysisContext {
   }
 
   @override
+  AnalysisTarget canonicalizeTarget(AnalysisTarget target) => target;
+
+  @override
   String computeDocumentationComment(Element element) {
     fail("Unexpected invocation of computeDocumentationComment");
     return null;
@@ -545,6 +555,11 @@ class TestAnalysisContext implements InternalAnalysisContext {
   }
 
   @override
+  LibrarySpecificUnit getLibrarySpecificUnit(Source library, Source unit) {
+    return new LibrarySpecificUnit(library, unit);
+  }
+
+  @override
   LineInfo getLineInfo(Source source) {
     fail("Unexpected invocation of getLineInfo");
     return null;
@@ -705,10 +720,4 @@ class TestAnalysisContext implements InternalAnalysisContext {
   void visitContentCache(ContentCacheVisitor visitor) {
     fail("Unexpected invocation of visitContentCache");
   }
-
-  @override
-  CacheConsistencyValidator get cacheConsistencyValidator {
-    fail("Unexpected invocation of cacheConsistencyValidator");
-    return null;
-  }
 }