Refactor calls to CALL_HEAP_FUNCTION.

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index ccd0a5793291db96970e95f84d627134a32c5da9..0cc7c5922bb71e7e1fe5e05a8527d875ec3fb6bd 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -179,8 +179,6 @@ class Factory V8_FINAL {
   MUST_USE_RESULT MaybeHandle<String> NewConsString(Handle<String> left,
                                                     Handle<String> right);
 
-  Handle<ConsString> NewRawConsString(String::Encoding encoding);
-
   // Create a new sequential string containing the concatenation of the inputs.
   Handle<String> NewFlatConcatString(Handle<String> first,
                                      Handle<String> second);
@@ -196,8 +194,6 @@ class Factory V8_FINAL {
     return NewProperSubString(str, begin, end);
   }
 
-  Handle<SlicedString> NewRawSlicedString(String::Encoding encoding);
-
   // Creates a new external String object.  There are two String encodings
   // in the system: ASCII and two byte.  Unlike other String types, it does
   // not make sense to have a UTF-8 factory function for external strings,
@@ -300,6 +296,11 @@ class Factory V8_FINAL {
 
   Handle<JSObject> NewFunctionPrototype(Handle<JSFunction> function);
 
+  Handle<JSObject> CopyJSObject(Handle<JSObject> object);
+
+  Handle<JSObject> CopyJSObjectWithAllocationSite(Handle<JSObject> object,
+                                                  Handle<AllocationSite> site);
+
   Handle<FixedArray> CopyFixedArrayWithMap(Handle<FixedArray> array,
                                            Handle<Map> map);