MIPS: Remove HandlerKindField and just encode the handlerkind as the only extra-ic-state.

src/mips/ic-mips.cc

Index: src/mips/ic-mips.cc
diff --git a/src/mips/ic-mips.cc b/src/mips/ic-mips.cc
index 7b15953533c698d0b35ff0902a4d36e69ecf44c6..4088ea4f4f11a78946baed6dd27c6631f2575908 100644
--- a/src/mips/ic-mips.cc
+++ b/src/mips/ic-mips.cc
@@ -339,8 +339,7 @@ static void GenerateKeyNameCheck(MacroAssembler* masm,
 }
 
 
-void LoadIC::GenerateMegamorphic(MacroAssembler* masm,
-                                 ExtraICState extra_state) {
+void LoadIC::GenerateMegamorphic(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- a2    : name
   //  -- ra    : return address
@@ -348,7 +347,7 @@ void LoadIC::GenerateMegamorphic(MacroAssembler* masm,
   // -----------------------------------
 
   // Probe the stub cache.
-  Code::Flags flags = Code::ComputeHandlerFlags(Code::LOAD_IC, extra_state);
+  Code::Flags flags = Code::ComputeHandlerFlags(Code::LOAD_IC);
   masm->isolate()->stub_cache()->GenerateProbe(
       masm, flags, a0, a2, a3, t0, t1, t2);
 
@@ -1179,8 +1178,7 @@ void KeyedStoreIC::GenerateSlow(MacroAssembler* masm) {
 }
 
 
-void StoreIC::GenerateMegamorphic(MacroAssembler* masm,
-                                  ExtraICState extra_state) {
+void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- a0    : value
   //  -- a1    : receiver
@@ -1189,7 +1187,7 @@ void StoreIC::GenerateMegamorphic(MacroAssembler* masm,
   // -----------------------------------
 
   // Get the receiver from the stack and probe the stub cache.
-  Code::Flags flags = Code::ComputeHandlerFlags(Code::STORE_IC, extra_state);
+  Code::Flags flags = Code::ComputeHandlerFlags(Code::STORE_IC);
   masm->isolate()->stub_cache()->GenerateProbe(
       masm, flags, a1, a2, a3, t0, t1, t2);