Revert "Save and restore feedback from JIT."

runtime/vm/aot_optimizer.h

Index: runtime/vm/aot_optimizer.h
diff --git a/runtime/vm/aot_optimizer.h b/runtime/vm/aot_optimizer.h
index 2b8938db9eaffc56feca959b914f6afba526b215..16e879e30040e238ddd623b5de827409a75ed03f 100644
--- a/runtime/vm/aot_optimizer.h
+++ b/runtime/vm/aot_optimizer.h
@@ -28,6 +28,10 @@ class AotOptimizer : public FlowGraphVisitor {
 
   FlowGraph* flow_graph() const { return flow_graph_; }
 
+  // Add ICData to InstanceCalls, so that optimizations can be run on them.
+  // TODO(srdjan): StaticCals as well?
+  void PopulateWithICData();
+
   // Use ICData to optimize, replace or eliminate instructions.
   void ApplyICData();