[intrinsic] Drop the %_ValueOf intrinsic.

src/crankshaft/hydrogen.cc

Index: src/crankshaft/hydrogen.cc
diff --git a/src/crankshaft/hydrogen.cc b/src/crankshaft/hydrogen.cc
index cf5e010afdcb32c1b663909d8ca47fb56cbd9a58..a39a8e5617cd7ea91cf82dc3dbf325b5cda04313 100644
--- a/src/crankshaft/hydrogen.cc
+++ b/src/crankshaft/hydrogen.cc
@@ -12636,34 +12636,6 @@ void HOptimizedGraphBuilder::GenerateHasFastPackedElements(CallRuntime* call) {
 }
 
 
-void HOptimizedGraphBuilder::GenerateValueOf(CallRuntime* call) {
-  DCHECK(call->arguments()->length() == 1);
-  CHECK_ALIVE(VisitForValue(call->arguments()->at(0)));
-  HValue* object = Pop();
-
-  IfBuilder if_objectisvalue(this);
-  HValue* objectisvalue = if_objectisvalue.If<HHasInstanceTypeAndBranch>(
-      object, JS_VALUE_TYPE);
-  if_objectisvalue.Then();
-  {
-    // Return the actual value.
-    Push(Add<HLoadNamedField>(
-            object, objectisvalue,
-            HObjectAccess::ForObservableJSObjectOffset(
-                JSValue::kValueOffset)));
-    Add<HSimulate>(call->id(), FIXED_SIMULATE);
-  }
-  if_objectisvalue.Else();
-  {
-    // If the object is not a value return the object.
-    Push(object);
-    Add<HSimulate>(call->id(), FIXED_SIMULATE);
-  }
-  if_objectisvalue.End();
-  return ast_context()->ReturnValue(Pop());
-}
-
-
 // Fast support for charCodeAt(n).
 void HOptimizedGraphBuilder::GenerateStringCharCodeAt(CallRuntime* call) {
   DCHECK(call->arguments()->length() == 2);