Cleanup AstGraphBuilder::AddHomeObjectIfNeeded a bit.

src/compiler/ast-graph-builder.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_AST_GRAPH_BUILDER_H_
 #define V8_COMPILER_AST_GRAPH_BUILDER_H_
 
 #include "src/ast.h"
 #include "src/compiler/js-graph.h"
 
@@ skipping 215 matching lines @@
   Node* BuildLoadBuiltinsObject();
   Node* BuildLoadGlobalObject();
   Node* BuildLoadGlobalProxy();
   Node* BuildLoadClosure();
   Node* BuildLoadObjectField(Node* object, int offset);
 
   // Builders for automatic type conversion.
   Node* BuildToBoolean(Node* value);
   Node* BuildToName(Node* value, BailoutId bailout_id);
 
-  // Adds the [[HomeObject]] to a value if the value came from a function
-  // literal that needs a home object.
-  void AddHomeObjectIfNeeded(Expression* expr, Node* function,
-                             Node* home_object);
+  // Builder for adding the [[HomeObject]] to a value if the value came from a
+  // function literal and needs a home object. Do nothing otherwise.
+  Node* BuildSetHomeObject(Node* value, Node* home_object, Expression* expr);
 
   // Builders for error reporting at runtime.
   Node* BuildThrowReferenceError(Variable* var, BailoutId bailout_id);
   Node* BuildThrowConstAssignError(BailoutId bailout_id);
 
   // Builders for dynamic hole-checks at runtime.
   Node* BuildHoleCheckSilent(Node* value, Node* for_hole, Node* not_hole);
   Node* BuildHoleCheckThrow(Node* value, Variable* var, Node* not_hole,
                             BailoutId bailout_id);
 
@@ skipping 211 matching lines @@
 
   // Prepare environment to be used as loop header.
   void PrepareForLoop(BitVector* assigned, bool is_osr = false);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_AST_GRAPH_BUILDER_H_