Make HTypeofIsAndBranch accept any representation input

src/ia32/lithium-codegen-ia32.h

Index: src/ia32/lithium-codegen-ia32.h
diff --git a/src/ia32/lithium-codegen-ia32.h b/src/ia32/lithium-codegen-ia32.h
index 78bc69de918fc5d338cdeeda5db2fb8c28b7b0b0..4b432140878544d036bb7614b415f28dda1852c3 100644
--- a/src/ia32/lithium-codegen-ia32.h
+++ b/src/ia32/lithium-codegen-ia32.h
@@ -337,10 +337,7 @@ class LCodeGen: public LCodeGenBase {
   // Emits optimized code for typeof x == "y".  Modifies input register.
   // Returns the condition on which a final split to
   // true and false label should be made, to optimize fallthrough.
-  Condition EmitTypeofIs(Label* true_label,
-                         Label* false_label,
-                         Register input,
-                         Handle<String> type_name);
+  Condition EmitTypeofIs(LTypeofIsAndBranch* instr, Register input);
 
   // Emits optimized code for %_IsObject(x).  Preserves input register.
   // Returns the condition on which a final split to