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

src/compiler/code-generator.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_CODE_GENERATOR_H_
 #define V8_COMPILER_CODE_GENERATOR_H_
 
 #include <deque>
 
 #include "src/compiler/gap-resolver.h"
@@ skipping 104 matching lines @@
     Safepoint::Id safepoint_id_;
   };
 
   struct DeoptimizationState : ZoneObject {
     int translation_id_;
 
     explicit DeoptimizationState(int translation_id)
         : translation_id_(translation_id) {}
   };
 
-  typedef std::deque<LazyDeoptimizationEntry,
-                     zone_allocator<LazyDeoptimizationEntry> >
-      LazyDeoptimizationEntries;
-  typedef std::deque<DeoptimizationState*,
-                     zone_allocator<DeoptimizationState*> >
-      DeoptimizationStates;
-  typedef std::deque<Handle<Object>, zone_allocator<Handle<Object> > > Literals;
-
   InstructionSequence* code_;
   BasicBlock* current_block_;
   SourcePosition current_source_position_;
   MacroAssembler masm_;
   GapResolver resolver_;
   SafepointTableBuilder safepoints_;
-  LazyDeoptimizationEntries lazy_deoptimization_entries_;
-  DeoptimizationStates deoptimization_states_;
-  Literals deoptimization_literals_;
+  ZoneDeque<LazyDeoptimizationEntry> lazy_deoptimization_entries_;
+  ZoneDeque<DeoptimizationState*> deoptimization_states_;
+  ZoneDeque<Handle<Object> > deoptimization_literals_;
   TranslationBuffer translations_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_CODE_GENERATOR_H