MIPS: Move NumberToStringStub::GenerateLookupNumberStringCache to the MacroAssembler.

src/mips/code-stubs-mips.h

Index: src/mips/code-stubs-mips.h
diff --git a/src/mips/code-stubs-mips.h b/src/mips/code-stubs-mips.h
index 8c9d22ae5dd09cb762a7a45cbf854b478bb8ac09..627244c2f13570b6a080164e8de74afecc49b558 100644
--- a/src/mips/code-stubs-mips.h
+++ b/src/mips/code-stubs-mips.h
@@ -272,19 +272,6 @@ class NumberToStringStub: public PlatformCodeStub {
  public:
   NumberToStringStub() { }
 
-  // Generate code to do a lookup in the number string cache. If the number in
-  // the register object is found in the cache the generated code falls through
-  // with the result in the result register. The object and the result register
-  // can be the same. If the number is not found in the cache the code jumps to
-  // the label not_found with only the content of register object unchanged.
-  static void GenerateLookupNumberStringCache(MacroAssembler* masm,
-                                              Register object,
-                                              Register result,
-                                              Register scratch1,
-                                              Register scratch2,
-                                              Register scratch3,
-                                              Label* not_found);
-
  private:
   Major MajorKey() { return NumberToString; }
   int MinorKey() { return 0; }