Remove isolate argument from handle allocation: Part I

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/mirrors.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/bootstrap_natives.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
@@ skipping 562 matching lines @@
     AbstractType& actual_type =
         AbstractType::Handle(BoundedType::Cast(type).type());
     return CreateTypeMirror(actual_type);
   }
   UNREACHABLE();
   return Instance::null();
 }
 
 
 static RawInstance* CreateIsolateMirror() {
-  Isolate* isolate = Isolate::Current();
+  Thread* thread = Thread::Current();
+  Isolate* isolate = thread->isolate();
   const String& debug_name = String::Handle(String::New(isolate->name()));
-  const Library& root_library =
-      Library::Handle(isolate, isolate->object_store()->root_library());
+  const Library& root_library = Library::Handle(thread->zone(),
+      isolate->object_store()->root_library());
   const Instance& root_library_mirror =
       Instance::Handle(CreateLibraryMirror(root_library));
 
   const Array& args = Array::Handle(Array::New(2));
   args.SetAt(0, debug_name);
   args.SetAt(1, root_library_mirror);
   return CreateMirror(Symbols::_LocalIsolateMirror(), args);
 }
 
 
@@ skipping 192 matching lines @@
     Exceptions::PropagateError(bound_error);
     UNREACHABLE();
   }
   ASSERT(result.IsFinalized());
   return result.Canonicalize();
 }
 
 
 DEFINE_NATIVE_ENTRY(MirrorSystem_libraries, 0) {
   const GrowableObjectArray& libraries = GrowableObjectArray::Handle(
-      isolate, isolate->object_store()->libraries());
+      zone, isolate->object_store()->libraries());
 
   const intptr_t num_libraries = libraries.Length();
   const GrowableObjectArray& library_mirrors = GrowableObjectArray::Handle(
-      isolate, GrowableObjectArray::New(num_libraries));
-  Library& library = Library::Handle(isolate);
-  Instance& library_mirror = Instance::Handle(isolate);
+      zone, GrowableObjectArray::New(num_libraries));
+  Library& library = Library::Handle(zone);
+  Instance& library_mirror = Instance::Handle(zone);
 
   for (int i = 0; i < num_libraries; i++) {
     library ^= libraries.At(i);
     library_mirror = CreateLibraryMirror(library);
     if (!library_mirror.IsNull() && library.Loaded()) {
       library_mirrors.Add(library_mirror);
     }
   }
   return library_mirrors.raw();
 }
@@ skipping 1289 matching lines @@
 }
 
 DEFINE_NATIVE_ENTRY(TypeMirror_subtypeTest, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(AbstractType, a, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(AbstractType, b, arguments->NativeArgAt(1));
   return Bool::Get(a.IsSubtypeOf(b, NULL)).raw();
 }
 
 
 }  // namespace dart