Refactor compilation dependency handling.

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index a4451d7a0891bc2a07d8b9f3117053b1c644886c..b162328be0162ee5574f6a1c840e2413d3d7606e 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -416,12 +416,10 @@ class HGraph FINAL : public ZoneObject {
   void MarkDependsOnEmptyArrayProtoElements() {
     // Add map dependency if not already added.
     if (depends_on_empty_array_proto_elements_) return;
-    Map::AddDependentCompilationInfo(
-        handle(isolate()->initial_object_prototype()->map()),
-        DependentCode::kElementsCantBeAddedGroup, info());
-    Map::AddDependentCompilationInfo(
-        handle(isolate()->initial_array_prototype()->map()),
-        DependentCode::kElementsCantBeAddedGroup, info());
+    info()->dependencies()->AssumeElementsCantBeAdded(
+        handle(isolate()->initial_object_prototype()->map()));
+    info()->dependencies()->AssumeElementsCantBeAdded(
+        handle(isolate()->initial_array_prototype()->map()));
     depends_on_empty_array_proto_elements_ = true;
   }