Revert of [runtime] Introduce dedicated JSBoundFunction to represent bound functions.

src/objects-debug.cc

Index: src/objects-debug.cc
diff --git a/src/objects-debug.cc b/src/objects-debug.cc
index 1115a5e4164d3ae47ea1cc30645fa784ca0224d3..a05d1e703626b125635e9ce15ea935164545023d 100644
--- a/src/objects-debug.cc
+++ b/src/objects-debug.cc
@@ -113,9 +113,6 @@
       break;
     case JS_DATE_TYPE:
       JSDate::cast(this)->JSDateVerify();
-      break;
-    case JS_BOUND_FUNCTION_TYPE:
-      JSBoundFunction::cast(this)->JSBoundFunctionVerify();
       break;
     case JS_FUNCTION_TYPE:
       JSFunction::cast(this)->JSFunctionVerify();
@@ -545,21 +542,6 @@
 }
 
 
-void JSBoundFunction::JSBoundFunctionVerify() {
-  CHECK(IsJSBoundFunction());
-  VerifyObjectField(kLengthOffset);
-  VerifyObjectField(kNameOffset);
-  VerifyObjectField(kBoundThisOffset);
-  VerifyObjectField(kBoundTargetFunctionOffset);
-  VerifyObjectField(kBoundArgumentsOffset);
-  VerifyObjectField(kCreationContextOffset);
-  CHECK(bound_target_function()->IsCallable());
-  CHECK(creation_context()->IsNativeContext());
-  CHECK(IsCallable());
-  CHECK_EQ(IsConstructor(), bound_target_function()->IsConstructor());
-}
-
-
 void JSFunction::JSFunctionVerify() {
   CHECK(IsJSFunction());
   VerifyObjectField(kPrototypeOrInitialMapOffset);