Migrate DDC to the new analysis driver.

pkg/dev_compiler/lib/src/compiler/side_effect_analysis.dart

Index: pkg/dev_compiler/lib/src/compiler/side_effect_analysis.dart
diff --git a/pkg/dev_compiler/lib/src/compiler/side_effect_analysis.dart b/pkg/dev_compiler/lib/src/compiler/side_effect_analysis.dart
index c273228dfe937ad42622abbe8e3e5f6a62cf3570..5b2ea3cd41140a5cff5f03a7f04a64e42b5a3e42 100644
--- a/pkg/dev_compiler/lib/src/compiler/side_effect_analysis.dart
+++ b/pkg/dev_compiler/lib/src/compiler/side_effect_analysis.dart
@@ -8,7 +8,7 @@ import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/generated/constant.dart';
 import 'package:analyzer/error/listener.dart'
     show AnalysisErrorListener, ErrorReporter;
-import 'package:analyzer/src/generated/engine.dart';
+import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/source.dart' show Source;
 import 'package:analyzer/src/dart/ast/ast.dart';
 
@@ -107,10 +107,11 @@ class _AssignmentFinder extends RecursiveAstVisitor {
 class ConstFieldVisitor {
   final ConstantVisitor constantVisitor;
 
-  ConstFieldVisitor(AnalysisContext context, {Source dummySource})
+  ConstFieldVisitor(
+      TypeProvider typeProvider, DeclaredVariables declaredVariables,
+      {Source dummySource})
       : constantVisitor = new ConstantVisitor(
-            new ConstantEvaluationEngine(
-                context.typeProvider, context.declaredVariables),
+            new ConstantEvaluationEngine(typeProvider, declaredVariables),
             new ErrorReporter(
                 AnalysisErrorListener.NULL_LISTENER, dummySource));
 
@@ -124,7 +125,7 @@ class ConstFieldVisitor {
   DartObject computeConstant(VariableDeclaration field) {
     // If the constant is already computed by ConstantEvaluator, just return it.
     VariableElement element = field.element;
-    var result = element.computeConstantValue();
+    var result = element.constantValue;
     if (result != null) return result;
 
     // ConstantEvaluator will not compute constants for non-const fields,