Use type info for count operation in Crankshaft.

src/type-info.h

Index: src/type-info.h
diff --git a/src/type-info.h b/src/type-info.h
index 905625a97e8347715e30ff3cb250f7122d4e2ce1..3e1bf102f44bb3ce6ff91cf8a6d47c1d4918aca0 100644
--- a/src/type-info.h
+++ b/src/type-info.h
@@ -230,6 +230,7 @@ class Assignment;
 class BinaryOperation;
 class Call;
 class CompareOperation;
+class CountOperation;
 class CompilationInfo;
 class Property;
 class CaseClause;
@@ -261,6 +262,7 @@ class TypeFeedbackOracle BASE_EMBEDDED {
   TypeInfo BinaryType(BinaryOperation* expr);
   TypeInfo CompareType(CompareOperation* expr);
   TypeInfo SwitchType(CaseClause* clause);
+  TypeInfo IncrementType(CountOperation* expr);
 
  private:
   ZoneMapList* CollectReceiverTypes(unsigned ast_id,