Add support for converted closures with explicit contexts to VM

runtime/vm/kernel_to_il.h

 // 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.
 
 #ifndef RUNTIME_VM_KERNEL_TO_IL_H_
 #define RUNTIME_VM_KERNEL_TO_IL_H_
 
 #if !defined(DART_PRECOMPILED_RUNTIME)
 
 #include "vm/growable_array.h"
@@ skipping 487 matching lines @@
   Fragment PushContext(int size);
   Fragment PopContext();
 
   Fragment LoadInstantiatorTypeArguments();
   Fragment LoadFunctionTypeArguments();
   Fragment InstantiateType(const AbstractType& type);
   Fragment InstantiateTypeArguments(const TypeArguments& type_arguments);
   Fragment TranslateInstantiatedTypeArguments(
       const TypeArguments& type_arguments);
 
-  Fragment AllocateContext(int size);
+  Fragment AllocateContext(intptr_t size);
   Fragment AllocateObject(TokenPosition position,
                           const dart::Class& klass,
                           intptr_t argument_count);
   Fragment AllocateObject(const dart::Class& klass,
                           const Function& closure_function);
   Fragment BooleanNegate();
   Fragment StrictCompare(Token::Kind kind, bool number_check = false);
   Fragment BranchIfTrue(TargetEntryInstr** then_entry,
                         TargetEntryInstr** otherwise_entry,
                         bool negate = false);
@@ skipping 434 matching lines @@
 namespace kernel {
 
 RawObject* EvaluateMetadata(const dart::Field& metadata_field);
 RawObject* BuildParameterDescriptor(const Function& function);
 
 }  // namespace kernel
 }  // namespace dart
 
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)
 #endif  // RUNTIME_VM_KERNEL_TO_IL_H_