Initial re-write of analysis context for the new task model

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 2ecb8d86f177464aa7831e2e466d33ba0f591aa9..67e80fa8e63207864453cdddce4db2a512a5780c 100644
--- a/pkg/analyzer/test/generated/engine_test.dart
+++ b/pkg/analyzer/test/generated/engine_test.dart
@@ -11,6 +11,7 @@ import 'dart:async';
 import 'dart:collection';
 
 import 'package:analyzer/src/cancelable_future.dart';
+import 'package:analyzer/src/context/cache.dart' show CacheEntry;
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/constant.dart';
 import 'package:analyzer/src/generated/element.dart';
@@ -33,6 +34,7 @@ import 'package:analyzer/src/generated/utilities_collection.dart';
 import 'package:analyzer/src/services/lint.dart';
 import 'package:analyzer/src/string_source.dart';
 import 'package:analyzer/src/task/task_dart.dart';
+import 'package:analyzer/task/model.dart' hide AnalysisTask;
 import 'package:typed_mock/typed_mock.dart';
 import 'package:unittest/unittest.dart';
 import 'package:watcher/src/utils.dart';
@@ -5445,6 +5447,11 @@ class TestAnalysisContext implements InternalAnalysisContext {
     return null;
   }
   @override
+  List<AnalysisTarget> get explicitTargets {
+    fail("Unexpected invocation of visitCacheItems");
+    return null;
+  }
+  @override
   List<Source> get htmlSources {
     fail("Unexpected invocation of getHtmlSources");
     return null;
@@ -5465,6 +5472,11 @@ class TestAnalysisContext implements InternalAnalysisContext {
     return null;
   }
   @override
+  LibraryResolverFactory get libraryResolverFactory {
+    fail("Unexpected invocation of getLibraryResolverFactory");
+    return null;
+  }
+  @override
   List<Source> get librarySources {
     fail("Unexpected invocation of getLibrarySources");
     return null;
@@ -5489,20 +5501,22 @@ class TestAnalysisContext implements InternalAnalysisContext {
     return null;
   }
   @override
-  List<Source> get refactoringUnsafeSources {
-    fail("Unexpected invocation of getRefactoringUnsafeSources");
+  List<AnalysisTarget> get priorityTargets {
+    fail("Unexpected invocation of visitCacheItems");
     return null;
   }
   @override
-  LibraryResolverFactory get libraryResolverFactory {
-    fail("Unexpected invocation of getLibraryResolverFactory");
+  List<Source> get refactoringUnsafeSources {
+    fail("Unexpected invocation of getRefactoringUnsafeSources");
     return null;
   }
+
   @override
   ResolverVisitorFactory get resolverVisitorFactory {
     fail("Unexpected invocation of getResolverVisitorFactory");
     return null;
   }
+
   @override
   SourceFactory get sourceFactory {
     fail("Unexpected invocation of getSourceFactory");
@@ -5513,13 +5527,11 @@ class TestAnalysisContext implements InternalAnalysisContext {
   void set sourceFactory(SourceFactory factory) {
     fail("Unexpected invocation of setSourceFactory");
   }
-
   @override
   List<Source> get sources {
     fail("Unexpected invocation of sources");
     return null;
   }
-
   @override
   AnalysisContextStatistics get statistics {
     fail("Unexpected invocation of getStatistics");
@@ -5621,6 +5633,11 @@ class TestAnalysisContext implements InternalAnalysisContext {
     return false;
   }
   @override
+  CacheEntry getCacheEntry(AnalysisTarget target) {
+    fail("Unexpected invocation of visitCacheItems");
+    return null;
+  }
+  @override
   CompilationUnitElement getCompilationUnitElement(
       Source unitSource, Source librarySource) {
     fail("Unexpected invocation of getCompilationUnitElement");
@@ -5757,18 +5774,21 @@ class TestAnalysisContext implements InternalAnalysisContext {
   void removeListener(AnalysisListener listener) {
     fail("Unexpected invocation of removeListener");
   }
+
   @override
   CompilationUnit resolveCompilationUnit(
       Source unitSource, LibraryElement library) {
     fail("Unexpected invocation of resolveCompilationUnit");
     return null;
   }
+
   @override
   CompilationUnit resolveCompilationUnit2(
       Source unitSource, Source librarySource) {
     fail("Unexpected invocation of resolveCompilationUnit");
     return null;
   }
+
   @override
   ht.HtmlUnit resolveHtmlUnit(Source htmlSource) {
     fail("Unexpected invocation of resolveHtmlUnit");