Move CompilationInfo::this_has_uses to HGraph::this_has_uses.

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index b253d600c30ed416fd238aca08725d35156ad2e1..f1a6aa1509f04078860bb38ee37e7d3f6da17304 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -407,13 +407,11 @@ class HGraph FINAL : public ZoneObject {
     use_optimistic_licm_ = value;
   }
 
-  void MarkRecursive() {
-    is_recursive_ = true;
-  }
+  void MarkRecursive() { is_recursive_ = true; }
+  bool is_recursive() const { return is_recursive_; }
 
-  bool is_recursive() const {
-    return is_recursive_;
-  }
+  void MarkThisHasUses() { this_has_uses_ = true; }
+  bool this_has_uses() const { return this_has_uses_; }
 
   void MarkDependsOnEmptyArrayProtoElements() {
     // Add map dependency if not already added.
@@ -499,6 +497,7 @@ class HGraph FINAL : public ZoneObject {
   Zone* zone_;
 
   bool is_recursive_;
+  bool this_has_uses_;
   bool use_optimistic_licm_;
   bool depends_on_empty_array_proto_elements_;
   int type_change_checksum_;