Pass InterceptorData through ResolutionWorldBuilder and access it through ClosedWorld

pkg/compiler/lib/src/ssa/optimize.dart

Index: pkg/compiler/lib/src/ssa/optimize.dart
diff --git a/pkg/compiler/lib/src/ssa/optimize.dart b/pkg/compiler/lib/src/ssa/optimize.dart
index 4436023b10b8f494823fe8d52977563e52062601..514cf8e2447edc98b40ffbac3277c2da81990653 100644
--- a/pkg/compiler/lib/src/ssa/optimize.dart
+++ b/pkg/compiler/lib/src/ssa/optimize.dart
@@ -15,7 +15,6 @@ import '../elements/entities.dart';
 import '../elements/resolution_types.dart';
 import '../js/js.dart' as js;
 import '../js_backend/js_backend.dart';
-import '../js_backend/interceptor_data.dart' show InterceptorData;
 import '../js_backend/native_data.dart' show NativeData;
 import '../native/native.dart' as native;
 import '../options.dart';
@@ -54,8 +53,6 @@ class SsaOptimizerTask extends CompilerTask {
 
   RuntimeTypesSubstitutions get _rtiSubstitutions => _backend.rtiSubstitutions;
 
-  InterceptorData get _interceptorData => _backend.interceptorData;
-
   void optimize(CodegenWorkItem work, HGraph graph, ClosedWorld closedWorld) {
     void runPhase(OptimizationPhase phase) {
       measureSubtask(phase.name, () => phase.visitGraph(graph));
@@ -120,10 +117,7 @@ class SsaOptimizerTask extends CompilerTask {
       // required for implementation correctness because the code generator
       // assumes it is always performed.
       runPhase(new SsaSimplifyInterceptors(
-          closedWorld,
-          closedWorld.commonElements,
-          _interceptorData,
-          work.element.enclosingClass));
+          closedWorld, work.element.enclosingClass));
 
       SsaDeadCodeEliminator dce = new SsaDeadCodeEliminator(closedWorld, this);
       runPhase(dce);
@@ -139,8 +133,7 @@ class SsaOptimizerTask extends CompilerTask {
           new SsaInstructionSimplifier(
               _results, _options, _rtiSubstitutions, closedWorld, registry),
           new SsaCheckInserter(trustPrimitives, closedWorld, boundsChecked),
-          new SsaSimplifyInterceptors(closedWorld, closedWorld.commonElements,
-              _interceptorData, work.element.enclosingClass),
+          new SsaSimplifyInterceptors(closedWorld, work.element.enclosingClass),
           new SsaDeadCodeEliminator(closedWorld, this),
         ];
       } else {