Move responsibility for definition of ExtraICState bits into the ICs.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 832a682a0ef34bc21346fca797aa16fa493852d3..ee81c2fcbde610dcddf27d8d3812c3cf20b8ed28 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -3889,14 +3889,14 @@ InlineCacheState Code::ic_state() {
 }
 
 
-Code::ExtraICState Code::extra_ic_state() {
+ExtraICState Code::extra_ic_state() {
   ASSERT((is_inline_cache_stub() && !needs_extended_extra_ic_state(kind()))
          || ic_state() == DEBUG_STUB);
   return ExtractExtraICStateFromFlags(flags());
 }
 
 
-Code::ExtraICState Code::extended_extra_ic_state() {
+ExtraICState Code::extended_extra_ic_state() {
   ASSERT(is_inline_cache_stub() || ic_state() == DEBUG_STUB);
   ASSERT(needs_extended_extra_ic_state(kind()));
   return ExtractExtendedExtraICStateFromFlags(flags());
@@ -4233,12 +4233,12 @@ InlineCacheState Code::ExtractICStateFromFlags(Flags flags) {
 }
 
 
-Code::ExtraICState Code::ExtractExtraICStateFromFlags(Flags flags) {
+ExtraICState Code::ExtractExtraICStateFromFlags(Flags flags) {
   return ExtraICStateField::decode(flags);
 }
 
 
-Code::ExtraICState Code::ExtractExtendedExtraICStateFromFlags(
+ExtraICState Code::ExtractExtendedExtraICStateFromFlags(
     Flags flags) {
   return ExtendedExtraICStateField::decode(flags);
 }