Revert "Add ClassMirror.isAbstract to the API and VM implementation."

runtime/lib/mirrors.cc

 // Copyright (c) 2012, 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.
 
 #include "lib/invocation_mirror.h"
 #include "vm/bootstrap_natives.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
 #include "vm/exceptions.h"
@@ skipping 322 matching lines @@
       return CreateFunctionTypeMirror(cls, type);
     } else {
       // We represent typedefs as non-canonical signature classes.
       return CreateTypedefMirror(cls, type, is_declaration, owner_mirror);
     }
   }
 
   const Bool& is_generic = Bool::Get(cls.NumTypeParameters() != 0);
   const Bool& is_mixin_app_alias = Bool::Get(cls.is_mixin_app_alias());
 
-  const Array& args = Array::Handle(Array::New(8));
+  const Array& args = Array::Handle(Array::New(7));
   args.SetAt(0, MirrorReference::Handle(MirrorReference::New(cls)));
   args.SetAt(1, type);
   // We do not set the names of anonymous mixin applications because the mirrors
   // use a different naming convention than the VM (lib.S with lib.M and S&M
   // respectively).
   if (!cls.IsAnonymousMixinApplication()) {
     args.SetAt(2, String::Handle(cls.Name()));
   }
   args.SetAt(3, owner_mirror);
-  args.SetAt(4, Bool::Get(cls.is_abstract()));
-  args.SetAt(5, is_generic);
-  args.SetAt(6, is_mixin_app_alias);
-  args.SetAt(7, cls.NumTypeParameters() == 0 ? Bool::False() : is_declaration);
+  args.SetAt(4, is_generic);
+  args.SetAt(5, is_mixin_app_alias);
+  args.SetAt(6, cls.NumTypeParameters() == 0 ? Bool::False() : is_declaration);
   return CreateMirror(Symbols::_LocalClassMirror(), args);
 }
 
 
 static RawInstance* CreateLibraryMirror(const Library& lib) {
   const Array& args = Array::Handle(Array::New(3));
   args.SetAt(0, MirrorReference::Handle(MirrorReference::New(lib)));
   String& str = String::Handle();
   str = lib.name();
   args.SetAt(1, str);
@@ skipping 1689 matching lines @@
 
 DEFINE_NATIVE_ENTRY(VariableMirror_type, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(MirrorReference, ref, arguments->NativeArgAt(0));
   const Field& field = Field::Handle(ref.GetFieldReferent());
   GET_NATIVE_ARGUMENT(AbstractType, instantiator, arguments->NativeArgAt(1));
   const AbstractType& type = AbstractType::Handle(field.type());
   return InstantiateType(type, instantiator);
 }
 
 }  // namespace dart