Flesh out vector ic state query and set mechanisms.

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index a87f78b617dfbd9316c1a9c040413f98496a1737..24a66478a3b35730a0bed35d6b867391a9b48040 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -10,8 +10,9 @@
 namespace v8 {
 namespace internal {
 
-// Interface for handle based allocation.
+class FeedbackVectorSpec;
 
+// Interface for handle based allocation.
 class Factory FINAL {
  public:
   Handle<Oddball> NewOddball(Handle<Map> map,
@@ -636,8 +637,8 @@ class Factory FINAL {
                                                    MaybeHandle<Code> code);
 
   // Allocate a new type feedback vector
-  Handle<TypeFeedbackVector> NewTypeFeedbackVector(int slot_count,
-                                                   int ic_slot_count);
+  Handle<TypeFeedbackVector> NewTypeFeedbackVector(
+      const FeedbackVectorSpec& spec);
 
   // Allocates a new JSMessageObject object.
   Handle<JSMessageObject> NewJSMessageObject(