Split MirrorsData methods and MirrorsDataImpl data by element kind.

pkg/compiler/lib/src/js_emitter/program_builder/program_builder.dart

 // Copyright (c) 2014, 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.js_emitter.program_builder;
 
 import '../../closure.dart' show ClosureFieldElement;
 import '../../common.dart';
 import '../../common/names.dart' show Names, Selectors;
 import '../../compiler.dart' show Compiler;
@@ skipping 640 matching lines @@
           isNative: backend.nativeData.isNativeClass(element));
     }
     _classes[element] = result;
     return result;
   }
 
   bool _methodNeedsStubs(FunctionElement method) {
     return !method.functionSignature.optionalParameters.isEmpty;
   }
 
-  bool _methodCanBeReflected(FunctionElement method) {
-    return backend.mirrorsData.isAccessibleByReflection(method);
+  bool _methodCanBeReflected(MethodElement method) {
+    return backend.mirrorsData.isMemberAccessibleByReflection(method);
   }
 
   bool _methodCanBeApplied(FunctionElement method) {
     return backend.backendUsage.isFunctionApplyUsed &&
         closedWorld.getMightBePassedToApply(method);
   }
 
   /* Map | List */ _computeParameterDefaultValues(FunctionSignature signature) {
     var /* Map | List */ optionalParameterDefaultValues;
     if (signature.optionalParametersAreNamed) {
@@ skipping 299 matching lines @@
       Constant constant = new Constant(name, holder, constantValue);
       _constants[constantValue] = constant;
     }
   }
 
   Holder _registerStaticStateHolder() {
     return _registry.registerHolder(namer.staticStateHolder,
         isStaticStateHolder: true);
   }
 }