Revert of [refactoring] Split CodeAssemblerState out of CodeAssembler

src/builtins/builtins-function.cc

Index: src/builtins/builtins-function.cc
diff --git a/src/builtins/builtins-function.cc b/src/builtins/builtins-function.cc
index 3672794527bbd85a1f7914818aed123c25da544c..9a8ee796b5d72bc09b6d035ba8b9f7b30a2c4af3 100644
--- a/src/builtins/builtins-function.cc
+++ b/src/builtins/builtins-function.cc
@@ -283,15 +283,14 @@
 
 // ES6 section 19.2.3.6 Function.prototype [ @@hasInstance ] ( V )
 void Builtins::Generate_FunctionPrototypeHasInstance(
-    compiler::CodeAssemblerState* state) {
+    CodeStubAssembler* assembler) {
   using compiler::Node;
-  CodeStubAssembler assembler(state);
-
-  Node* f = assembler.Parameter(0);
-  Node* v = assembler.Parameter(1);
-  Node* context = assembler.Parameter(4);
-  Node* result = assembler.OrdinaryHasInstance(context, f, v);
-  assembler.Return(result);
+
+  Node* f = assembler->Parameter(0);
+  Node* v = assembler->Parameter(1);
+  Node* context = assembler->Parameter(4);
+  Node* result = assembler->OrdinaryHasInstance(context, f, v);
+  assembler->Return(result);
 }
 
 }  // namespace internal