[Interpreter] Rename GetCountOperand to GetRegisterCountOperand.

test/cctest/interpreter/generate-bytecode-expectations.cc

Index: test/cctest/interpreter/generate-bytecode-expectations.cc
diff --git a/test/cctest/interpreter/generate-bytecode-expectations.cc b/test/cctest/interpreter/generate-bytecode-expectations.cc
index 8142079a818f547f1b420502f86cc97e337f0969..74c3407d286d9915b69bdd33bd1789c02f0732f1 100644
--- a/test/cctest/interpreter/generate-bytecode-expectations.cc
+++ b/test/cctest/interpreter/generate-bytecode-expectations.cc
@@ -184,7 +184,7 @@ void PrintBytecodeOperand(std::ostream& stream,
       // We need a cast, otherwise the result is printed as char.
       stream << static_cast<int>(bytecode_iter.GetImmediateOperand(op_index));
     } else if (Bytecodes::IsRegisterCountOperandType(op_type)) {
-      stream << bytecode_iter.GetCountOperand(op_index);
+      stream << bytecode_iter.GetRegisterCountOperand(op_index);
     } else if (Bytecodes::IsIndexOperandType(op_type)) {
       stream << bytecode_iter.GetIndexOperand(op_index);
     } else {