[refactoring] Split CodeAssemblerState out of CodeAssembler

test/cctest/compiler/function-tester.cc

Index: test/cctest/compiler/function-tester.cc
diff --git a/test/cctest/compiler/function-tester.cc b/test/cctest/compiler/function-tester.cc
index 24a49b852cc64f26571498a2328295fe71cb7588..bee8f63312b954950440c70198ebeedcfbbc16c7 100644
--- a/test/cctest/compiler/function-tester.cc
+++ b/test/cctest/compiler/function-tester.cc
@@ -46,9 +46,7 @@ FunctionTester::FunctionTester(Handle<Code> code, int param_count)
   function->ReplaceCode(*code);
 }
 
-FunctionTester::FunctionTester(const CallInterfaceDescriptor& descriptor,
-                               Handle<Code> code)
-    : FunctionTester(code, descriptor.GetParameterCount()) {}
+FunctionTester::FunctionTester(Handle<Code> code) : FunctionTester(code, 0) {}
 
 MaybeHandle<Object> FunctionTester::Call() {
   return Execution::Call(isolate, function, undefined(), 0, nullptr);