A64: Synchronize with r16918.

src/arm/code-stubs-arm.h

Index: src/arm/code-stubs-arm.h
diff --git a/src/arm/code-stubs-arm.h b/src/arm/code-stubs-arm.h
index a404f0173981ef9795e2aa9ebdba429fda7b96c6..c03d8f27ec06cf7d777f96e466aa240f61b3128f 100644
--- a/src/arm/code-stubs-arm.h
+++ b/src/arm/code-stubs-arm.h
@@ -106,7 +106,6 @@ class StringHelper : public AllStatic {
                                          Register scratch2,
                                          Register scratch3,
                                          Register scratch4,
-                                         Register scratch5,
                                          int flags);
 
 
@@ -257,18 +256,6 @@ class WriteInt32ToHeapNumberStub : public PlatformCodeStub {
 };
 
 
-class NumberToStringStub: public PlatformCodeStub {
- public:
-  NumberToStringStub() { }
-
- private:
-  Major MajorKey() { return NumberToString; }
-  int MinorKey() { return 0; }
-
-  void Generate(MacroAssembler* masm);
-};
-
-
 class RecordWriteStub: public PlatformCodeStub {
  public:
   RecordWriteStub(Register object,