Remove flush_monomorphic_ics flag.

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 05c302fb99742a3e109c2dfc96ee84bca8f4c9f9..1a5182198f6abb833138ab7d9ac081bc142a1075 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -81,7 +81,6 @@ Heap::Heap()
       always_allocate_scope_depth_(0),
       contexts_disposed_(0),
       global_ic_age_(0),
-      flush_monomorphic_ics_(false),
       scan_on_scavenge_pages_(0),
       new_space_(this),
       old_pointer_space_(NULL),
@@ -877,7 +876,6 @@ int Heap::NotifyContextDisposed(bool dependant_context) {
     // Flush the queued recompilation tasks.
     isolate()->optimizing_compiler_thread()->Flush();
   }
-  flush_monomorphic_ics_ = true;
   AgeInlineCaches();
   tracer()->AddContextDisposalTime(base::OS::TimeCurrentMillis());
   return ++contexts_disposed_;
@@ -1245,8 +1243,6 @@ void Heap::MarkCompactEpilogue() {
 
   isolate_->counters()->objs_since_last_full()->Set(0);
 
-  flush_monomorphic_ics_ = false;
-
   incremental_marking()->Epilogue();
 }