Fix invalid use of int in Zone.

src/hydrogen.h

 // Copyright 2012 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_HYDROGEN_H_
 #define V8_HYDROGEN_H_
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
@@ skipping 2116 matching lines @@
   void Bailout(BailoutReason reason);
 
   HBasicBlock* CreateJoin(HBasicBlock* first,
                           HBasicBlock* second,
                           BailoutId join_id);
 
   FunctionState* function_state() const { return function_state_; }
 
   void VisitDeclarations(ZoneList<Declaration*>* declarations) OVERRIDE;
 
-  void* operator new(size_t size, Zone* zone) {
-    return zone->New(static_cast<int>(size));
-  }
+  void* operator new(size_t size, Zone* zone) { return zone->New(size); }
   void operator delete(void* pointer, Zone* zone) { }
   void operator delete(void* pointer) { }
 
   DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
 
  protected:
   // Type of a member function that generates inline code for a native function.
   typedef void (HOptimizedGraphBuilder::*InlineFunctionGenerator)
       (CallRuntime* call);
 
@@ skipping 643 matching lines @@
  public:
   HStatistics()
       : times_(5),
         names_(5),
         sizes_(5),
         total_size_(0),
         source_size_(0) { }
 
   void Initialize(CompilationInfo* info);
   void Print();
-  void SaveTiming(const char* name, base::TimeDelta time, unsigned size);
+  void SaveTiming(const char* name, base::TimeDelta time, size_t size);
 
   void IncrementFullCodeGen(base::TimeDelta full_code_gen) {
     full_code_gen_ += full_code_gen;
   }
 
   void IncrementCreateGraph(base::TimeDelta delta) { create_graph_ += delta; }
 
   void IncrementOptimizeGraph(base::TimeDelta delta) {
     optimize_graph_ += delta;
   }
 
   void IncrementGenerateCode(base::TimeDelta delta) { generate_code_ += delta; }
 
   void IncrementSubtotals(base::TimeDelta create_graph,
                           base::TimeDelta optimize_graph,
                           base::TimeDelta generate_code) {
     IncrementCreateGraph(create_graph);
     IncrementOptimizeGraph(optimize_graph);
     IncrementGenerateCode(generate_code);
   }
 
  private:
   List<base::TimeDelta> times_;
   List<const char*> names_;
-  List<unsigned> sizes_;
+  List<size_t> sizes_;
   base::TimeDelta create_graph_;
   base::TimeDelta optimize_graph_;
   base::TimeDelta generate_code_;
-  unsigned total_size_;
+  size_t total_size_;
   base::TimeDelta full_code_gen_;
   double source_size_;
 };
 
 
 class HPhase : public CompilationPhase {
  public:
   HPhase(const char* name, HGraph* graph)
       : CompilationPhase(name, graph->info()),
         graph_(graph) { }
@@ skipping 106 matching lines @@
   }
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_