RegExp macro assembler clean up.

src/arm/regexp-macro-assembler-arm.h

Index: src/arm/regexp-macro-assembler-arm.h
diff --git a/src/arm/regexp-macro-assembler-arm.h b/src/arm/regexp-macro-assembler-arm.h
index 921d8f5474955b28e2a78edaed6d76a7abbaea62..1825752ebc25da4d57a053ea27e3e110af2bf14f 100644
--- a/src/arm/regexp-macro-assembler-arm.h
+++ b/src/arm/regexp-macro-assembler-arm.h
@@ -53,10 +53,6 @@ class RegExpMacroAssemblerARM: public NativeRegExpMacroAssembler {
                                       Label* on_equal);
   virtual void CheckCharacterGT(uc16 limit, Label* on_greater);
   virtual void CheckCharacterLT(uc16 limit, Label* on_less);
-  virtual void CheckCharacters(Vector<const uc16> str,
-                               int cp_offset,
-                               Label* on_failure,
-                               bool check_end_of_string);
   // A "greedy loop" is a loop that is both greedy and with a simple
   // body. It has a particularly simple implementation.
   virtual void CheckGreedyLoop(Label* on_tos_equals_current_position);