Remove uses of result size in TailCallRuntime and friends

src/mips/macro-assembler-mips.cc

Index: src/mips/macro-assembler-mips.cc
diff --git a/src/mips/macro-assembler-mips.cc b/src/mips/macro-assembler-mips.cc
index ecebb9f91b3b73dc2d8d2512b5d31e9728f7ccd1..ebad6d63092b3c1f1ec283f73dcb5f0cef09523a 100644
--- a/src/mips/macro-assembler-mips.cc
+++ b/src/mips/macro-assembler-mips.cc
@@ -4522,8 +4522,7 @@ void MacroAssembler::CallExternalReference(const ExternalReference& ext,
 
 
 void MacroAssembler::TailCallExternalReference(const ExternalReference& ext,
-                                               int num_arguments,
-                                               int result_size) {
+                                               int num_arguments) {
   // TODO(1236192): Most runtime routines don't need the number of
   // arguments passed in because it is constant. At some point we
   // should remove this need and make the runtime routine entry code
@@ -4534,11 +4533,8 @@ void MacroAssembler::TailCallExternalReference(const ExternalReference& ext,
 
 
 void MacroAssembler::TailCallRuntime(Runtime::FunctionId fid,
-                                     int num_arguments,
-                                     int result_size) {
-  TailCallExternalReference(ExternalReference(fid, isolate()),
-                            num_arguments,
-                            result_size);
+                                     int num_arguments) {
+  TailCallExternalReference(ExternalReference(fid, isolate()), num_arguments);
 }