[builtins] Migrate Number constructor similar to String constructor.

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index 502f7c46d26fc85dd9ad1ce70bb3ca0ce2eef230..26811b988cfe5efdc1b08582694d0d6987531374 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -806,6 +806,12 @@ class MacroAssembler: public Assembler {
                                    Register heap_number_map,
                                    Label* gc_required);
 
+  // Allocate and initialize a JSValue wrapper with the specified {constructor}
+  // and {value}.
+  void AllocateJSValue(Register result, Register constructor, Register value,
+                       Register scratch1, Register scratch2,
+                       Label* gc_required);
+
   // Copies a number of bytes from src to dst. All registers are clobbered. On
   // exit src and dst will point to the place just after where the last byte was
   // read or written and length will be zero.