Rename KernelElementAdapter and element_adapter.dart to IrToElementMap and ir_map.dart

tests/compiler/dart2js/kernel/impact_test.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library dart2js.kernel.impact_test;
 
 import 'package:async_helper/async_helper.dart';
 import 'package:compiler/src/commandline_options.dart';
 import 'package:compiler/src/common.dart';
 import 'package:compiler/src/common/names.dart';
 import 'package:compiler/src/common/resolution.dart';
 import 'package:compiler/src/compiler.dart';
 import 'package:compiler/src/constants/expressions.dart';
 import 'package:compiler/src/elements/elements.dart';
 import 'package:compiler/src/elements/resolution_types.dart';
 import 'package:compiler/src/js_backend/backend.dart';
-import 'package:compiler/src/kernel/element_adapter.dart';
 import 'package:compiler/src/kernel/element_map.dart';
+import 'package:compiler/src/kernel/element_map_impl.dart';
 import 'package:compiler/src/resolution/registry.dart';
 import 'package:compiler/src/resolution/tree_elements.dart';
 import 'package:compiler/src/ssa/kernel_impact.dart';
 import 'package:compiler/src/serialization/equivalence.dart';
 import 'package:compiler/src/universe/call_structure.dart';
 import 'package:compiler/src/universe/feature.dart';
 import 'package:compiler/src/universe/use.dart';
 import 'package:expect/expect.dart';
 import 'package:kernel/ast.dart' as ir;
 import '../memory_compiler.dart';
@@ skipping 704 matching lines @@
         entryPoint: entryPoint,
         memorySourceFiles: SOURCE,
         options: [
           fullTest ? Flags.analyzeAll : Flags.analyzeOnly,
           Flags.useKernel,
           Flags.enableAssertMessage
         ]);
     compiler.resolution.retainCachesForTesting = true;
     Expect.isTrue(await compiler.run(entryPoint));
     JavaScriptBackend backend = compiler.backend;
-    KernelToElementMap kernelElementMap =
-        new KernelToElementMap(compiler.reporter, compiler.environment);
+    KernelToElementMapImpl kernelElementMap =
+        new KernelToElementMapImpl(compiler.reporter, compiler.environment);
     kernelElementMap.addProgram(backend.kernelTask.program);
 
     checkLibrary(compiler, kernelElementMap, compiler.mainApp,
         fullTest: fullTest);
     compiler.libraryLoader.libraries.forEach((LibraryElement library) {
       if (library == compiler.mainApp) return;
       checkLibrary(compiler, kernelElementMap, library, fullTest: fullTest);
     });
   });
 }
 
-void checkLibrary(Compiler compiler, KernelElementAdapter kernelElementAdapter,
+void checkLibrary(Compiler compiler, KernelToElementMapMixin elementMap,
     LibraryElement library,
     {bool fullTest: false}) {
   library.forEachLocalMember((AstElement element) {
     if (element.isClass) {
       ClassElement cls = element;
       cls.forEachLocalMember((AstElement member) {
-        checkElement(compiler, kernelElementAdapter, member,
-            fullTest: fullTest);
+        checkElement(compiler, elementMap, member, fullTest: fullTest);
       });
     } else if (element.isTypedef) {
       // Skip typedefs.
     } else {
-      checkElement(compiler, kernelElementAdapter, element, fullTest: fullTest);
+      checkElement(compiler, elementMap, element, fullTest: fullTest);
     }
   });
 }
 
-void checkElement(Compiler compiler, KernelElementAdapter kernelElementAdapter,
-    AstElement element,
+void checkElement(
+    Compiler compiler, KernelToElementMapMixin elementMap, AstElement element,
     {bool fullTest: false}) {
   if (!fullTest && element.library.isPlatformLibrary) {
     return;
   }
   if (element.isConstructor) {
     ConstructorElement constructor = element;
     if (constructor.isRedirectingFactory) {
       // Skip redirecting constructors for now; they might not be supported.
       return;
     }
   }
   if (!fullTest && !compiler.resolution.hasResolutionImpact(element)) {
     return;
   }
   compiler.reporter.withCurrentElement(element.implementation, () {
     ResolutionImpact astImpact =
         compiler.resolution.getResolutionImpact(element);
     astImpact = laxImpact(compiler, element, astImpact);
     ResolutionImpact kernelImpact1 = build(compiler, element.resolvedAst);
     ir.Member member = getIrMember(compiler, element.resolvedAst);
     Expect.isNotNull(kernelImpact1, 'No impact computed for $element');
-    ResolutionImpact kernelImpact2 =
-        buildKernelImpact(member, kernelElementAdapter);
+    ResolutionImpact kernelImpact2 = buildKernelImpact(member, elementMap);
     Expect.isNotNull(kernelImpact2, 'No impact computed for $member');
     testResolutionImpactEquivalence(astImpact, kernelImpact1,
         strategy: const CheckStrategy());
-    KernelEquivalence equivalence = new KernelEquivalence(kernelElementAdapter);
+    KernelEquivalence equivalence = new KernelEquivalence(elementMap);
     testResolutionImpactEquivalence(astImpact, kernelImpact2,
         strategy: new CheckStrategy(
             elementEquivalence: equivalence.entityEquivalence,
             typeEquivalence: equivalence.typeEquivalence));
   });
 }
 
 /// Lax the precision of [impact] to meet expectancy of the corresponding impact
 /// generated from kernel.
 ResolutionImpact laxImpact(
@@ skipping 125 matching lines @@
         visitList(type.optionalParameterTypes),
         type.namedParameters,
         visitList(type.namedParameterTypes));
   }
 }
 
 /// Perform unaliasing of all typedefs nested within a [ResolutionDartType].
 ResolutionDartType unalias(ResolutionDartType type) {
   return const Unaliaser().visit(type);
 }