[stubs] ToNumberStub --> ToNumber builtin.

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 5ed4f6c65ced636d44f36e932ffc9b87728fbd85..2f306cdc6837f84fa78fd29b03899241b2a48a32 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -45,8 +45,6 @@ namespace internal {
   V(StoreElement)                           \
   V(StubFailureTrampoline)                  \
   V(SubString)                              \
-  V(ToNumber)                               \
-  V(NonNumberToNumber)                      \
   V(ToString)                               \
   V(ToName)                                 \
   V(ToObject)                               \
@@ -3215,24 +3213,6 @@ class SubStringStub : public PlatformCodeStub {
   DEFINE_PLATFORM_CODE_STUB(SubString, PlatformCodeStub);
 };
 
-
-class ToNumberStub final : public PlatformCodeStub {
- public:
-  explicit ToNumberStub(Isolate* isolate) : PlatformCodeStub(isolate) {}
-
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(TypeConversion);
-  DEFINE_PLATFORM_CODE_STUB(ToNumber, PlatformCodeStub);
-};
-
-class NonNumberToNumberStub final : public PlatformCodeStub {
- public:
-  explicit NonNumberToNumberStub(Isolate* isolate)
-      : PlatformCodeStub(isolate) {}
-
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(TypeConversion);
-  DEFINE_PLATFORM_CODE_STUB(NonNumberToNumber, PlatformCodeStub);
-};
-
 class ToStringStub final : public PlatformCodeStub {
  public:
   explicit ToStringStub(Isolate* isolate) : PlatformCodeStub(isolate) {}
@@ -3241,7 +3221,6 @@ class ToStringStub final : public PlatformCodeStub {
   DEFINE_PLATFORM_CODE_STUB(ToString, PlatformCodeStub);
 };
 
-
 class ToNameStub final : public PlatformCodeStub {
  public:
   explicit ToNameStub(Isolate* isolate) : PlatformCodeStub(isolate) {}