Second set of changes for implementation of stack map support.

vm/flow_graph_compiler_x64.h

 // 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.
 
 #ifndef VM_FLOW_GRAPH_COMPILER_X64_H_
 #define VM_FLOW_GRAPH_COMPILER_X64_H_
 
 #ifndef VM_FLOW_GRAPH_COMPILER_H_
 #error Include flow_graph_compiler.h instead of flow_graph_compiler_x64.h.
 #endif
 
 #include "vm/assembler.h"
+#include "vm/code_descriptors.h"
 #include "vm/code_generator.h"
 #include "vm/intermediate_language.h"
 
 namespace dart {
 
 class Code;
 template <typename T> class GrowableArray;
 class ParsedFunction;
 
 class FlowGraphCompiler : public FlowGraphVisitor {
@@ skipping 81 matching lines @@
   Assembler* assembler_;
   const ParsedFunction& parsed_function_;
   const GrowableArray<BlockEntryInstr*>* blocks_;
 
   // Compiler specific per-block state.  Indexed by block number, so not
   // necessarily the same order as the array of blocks.
   GrowableArray<BlockInfo*> block_info_;
 
   BlockEntryInstr* current_block_;
 
-  CodeGenerator::DescriptorList* pc_descriptors_list_;
+  DescriptorList* pc_descriptors_list_;
 
   DISALLOW_COPY_AND_ASSIGN(FlowGraphCompiler);
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_COMPILER_X64_H_