[Interpreter] Rename GetCountOperand to GetRegisterCountOperand.

test/unittests/interpreter/bytecode-array-iterator-unittest.cc

Index: test/unittests/interpreter/bytecode-array-iterator-unittest.cc
diff --git a/test/unittests/interpreter/bytecode-array-iterator-unittest.cc b/test/unittests/interpreter/bytecode-array-iterator-unittest.cc
index 003a91c3c40b6bb14e18673418232619ed80a858..54027471ce607ec2a3007398f50af57b54582548 100644
--- a/test/unittests/interpreter/bytecode-array-iterator-unittest.cc
+++ b/test/unittests/interpreter/bytecode-array-iterator-unittest.cc
@@ -95,7 +95,7 @@ TEST_F(BytecodeArrayIteratorTest, IteratesBytecodeArray) {
   CHECK_EQ(static_cast<Runtime::FunctionId>(iterator.GetIndexOperand(0)),
            Runtime::kLoadIC_Miss);
   CHECK_EQ(iterator.GetRegisterOperand(1).index(), reg_0.index());
-  CHECK_EQ(iterator.GetCountOperand(2), 1);
+  CHECK_EQ(iterator.GetRegisterCountOperand(2), 1);
   CHECK(!iterator.done());
   iterator.Advance();