[stubs] Port ToName stub to TurboFan.

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 36757c41c63c929067ad2f8f0d8efa4839276aa2..f7aca2e3cfa0ae0552d706a98300d1c4fa1c6958 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -42,7 +42,6 @@ namespace internal {
   V(StoreElement)                             \
   V(SubString)                                \
   V(ToString)                                 \
-  V(ToName)                                   \
   V(StoreIC)                                  \
   V(KeyedStoreIC)                             \
   V(KeyedLoadIC)                              \
@@ -161,6 +160,7 @@ namespace internal {
   V(StringGreaterThanOrEqual)                 \
   V(ToInteger)                                \
   V(ToLength)                                 \
+  V(ToName)                                   \
   V(HasProperty)                              \
   V(ForInFilter)                              \
   V(GetProperty)                              \
@@ -3201,12 +3201,12 @@ class ToStringStub final : public PlatformCodeStub {
   DEFINE_PLATFORM_CODE_STUB(ToString, PlatformCodeStub);
 };
 
-class ToNameStub final : public PlatformCodeStub {
+class ToNameStub final : public TurboFanCodeStub {
  public:
-  explicit ToNameStub(Isolate* isolate) : PlatformCodeStub(isolate) {}
+  explicit ToNameStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(TypeConversion);
-  DEFINE_PLATFORM_CODE_STUB(ToName, PlatformCodeStub);
+  DEFINE_TURBOFAN_UNARY_OP_CODE_STUB(ToName, TurboFanCodeStub);
 };
 
 class ToObjectStub final : public TurboFanCodeStub {