[crankshaft] Remove the global arguments object from the HGraph.

src/crankshaft/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_CRANKSHAFT_HYDROGEN_H_
 #define V8_CRANKSHAFT_HYDROGEN_H_
 
 #include "src/accessors.h"
 #include "src/allocation.h"
 #include "src/ast/ast.h"
@@ skipping 328 matching lines @@
   bool IsConstant0(HConstant* constant);
   bool IsConstant1(HConstant* constant);
   bool IsConstantMinus1(HConstant* constant);
   bool IsConstantTrue(HConstant* constant);
   bool IsConstantFalse(HConstant* constant);
   bool IsConstantHole(HConstant* constant);
   bool IsConstantNull(HConstant* constant);
   bool IsStandardConstant(HConstant* constant);
 
   HBasicBlock* CreateBasicBlock();
-  HArgumentsObject* GetArgumentsObject() const {
-    return arguments_object_.get();
-  }
-
-  void SetArgumentsObject(HArgumentsObject* object) {
-    arguments_object_.set(object);
-  }
 
   int GetMaximumValueID() const { return values_.length(); }
   int GetNextBlockID() { return next_block_id_++; }
   int GetNextValueID(HValue* value) {
     DCHECK(!disallow_adding_new_values_);
     values_.Add(value, zone());
     return values_.length() - 1;
   }
   HValue* LookupValue(int id) const {
     if (id >= 0 && id < values_.length()) return values_[id];
@@ skipping 109 matching lines @@
   ZoneList<HInstruction*>* uint32_instructions_;
   SetOncePointer<HConstant> constant_undefined_;
   SetOncePointer<HConstant> constant_0_;
   SetOncePointer<HConstant> constant_1_;
   SetOncePointer<HConstant> constant_minus1_;
   SetOncePointer<HConstant> constant_true_;
   SetOncePointer<HConstant> constant_false_;
   SetOncePointer<HConstant> constant_the_hole_;
   SetOncePointer<HConstant> constant_null_;
   SetOncePointer<HConstant> constant_invalid_context_;
-  SetOncePointer<HArgumentsObject> arguments_object_;
 
   HOsrBuilder* osr_;
 
   CompilationInfo* info_;
   CallInterfaceDescriptor descriptor_;
   Zone* zone_;
 
   bool is_recursive_;
   bool use_optimistic_licm_;
   bool depends_on_empty_array_proto_elements_;
@@ skipping 2554 matching lines @@
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_HYDROGEN_H_