Remove uses of result size in TailCallRuntime and friends

src/ia32/macro-assembler-ia32.h

Index: src/ia32/macro-assembler-ia32.h
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index 0dbcbeac85e78bbf0c06e2721fccda99d4877b0f..e1a5b3e1a136327724ad695a4393926f2cf649ea 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -689,11 +689,10 @@ class MacroAssembler: public Assembler {
   // Like JumpToExternalReference, but also takes care of passing the number
   // of parameters.
   void TailCallExternalReference(const ExternalReference& ext,
-                                 int num_arguments, int result_size);
+                                 int num_arguments);
 
   // Convenience function: tail call a runtime routine (jump).
-  void TailCallRuntime(Runtime::FunctionId fid, int num_arguments,
-                       int result_size);
+  void TailCallRuntime(Runtime::FunctionId fid, int num_arguments);
 
   // Before calling a C-function from generated code, align arguments on stack.
   // After aligning the frame, arguments must be stored in esp[0], esp[4],