Introduce subclass wrappers for STL containers that make them a lot easier

src/compiler/instruction-selector.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_INSTRUCTION_SELECTOR_H_
 #define V8_COMPILER_INSTRUCTION_SELECTOR_H_
 
 #include <deque>
 
 #include "src/compiler/common-operator.h"
@@ skipping 179 matching lines @@
 
   Graph* graph() const { return sequence()->graph(); }
   Linkage* linkage() const { return sequence()->linkage(); }
   Schedule* schedule() const { return sequence()->schedule(); }
   InstructionSequence* sequence() const { return sequence_; }
   Zone* instruction_zone() const { return sequence()->zone(); }
   Zone* zone() { return &zone_; }
 
   // ===========================================================================
 
-  typedef zone_allocator<Instruction*> InstructionPtrZoneAllocator;
-  typedef std::deque<Instruction*, InstructionPtrZoneAllocator> Instructions;
-
   Zone zone_;
   InstructionSequence* sequence_;
   SourcePositionTable* source_positions_;
   Features features_;
   BasicBlock* current_block_;
-  Instructions instructions_;
+  ZoneDeque<Instruction*> instructions_;
   BoolVector defined_;
   BoolVector used_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_INSTRUCTION_SELECTOR_H_