[builtins] Migrate Number constructor similar to String constructor.

src/mips/macro-assembler-mips.h

Index: src/mips/macro-assembler-mips.h
diff --git a/src/mips/macro-assembler-mips.h b/src/mips/macro-assembler-mips.h
index 79361ddebfc2eb927374afe1c1a37f2c397552a9..4f6a3c868b7a52c0363e61b21c971ee7e3a5e764 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -566,6 +566,12 @@ class MacroAssembler: public Assembler {
                                    Register scratch2,
                                    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);
+
   // ---------------------------------------------------------------------------
   // Instruction macros.