Support StringLength in hydrogen (similar to ArrayLength).

src/ic.h

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 266 matching lines @@
   static void GenerateInitialize(MacroAssembler* masm) { GenerateMiss(masm); }
   static void GeneratePreMonomorphic(MacroAssembler* masm) {
     GenerateMiss(masm);
   }
   static void GenerateMiss(MacroAssembler* masm);
   static void GenerateMegamorphic(MacroAssembler* masm);
   static void GenerateNormal(MacroAssembler* masm);
 
   // Specialized code generator routines.
   static void GenerateArrayLength(MacroAssembler* masm);
-  static void GenerateStringLength(MacroAssembler* masm);
+  static void GenerateStringLength(MacroAssembler* masm,
+                                   bool support_wrappers);
   static void GenerateFunctionPrototype(MacroAssembler* masm);
 
   // Clear the use of the inlined version.
   static void ClearInlinedVersion(Address address);
 
   // The offset from the inlined patch site to the start of the
   // inlined load instruction.  It is architecture-dependent, and not
   // used on ARM.
   static const int kOffsetToLoadInstruction;
 
@@ skipping 291 matching lines @@
 
   Token::Value op_;
 };
 
 // Helper for TRBinaryOpIC and CompareIC.
 void PatchInlinedSmiCode(Address address);
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_H_