ReadOnlyHeap::Contains should only work with HeapObjects

Change-Id: I6c1a2edcee54993cd73e211de8271ea6b6c42ad7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1543732
Auto-Submit: Maciej Goszczycki <goszczycki@google.com>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Commit-Queue: Maciej Goszczycki <goszczycki@google.com>
Cr-Commit-Position: refs/heads/master@{#60514}

src/heap/read-only-heap.cc

@@ -73,7 +73,7 @@ void ReadOnlyHeap::OnHeapTearDown() {
 }
 
 // static
-bool ReadOnlyHeap::Contains(Object object) {
+bool ReadOnlyHeap::Contains(HeapObject object) {
   return Page::FromAddress(object.ptr())->owner()->identity() == RO_SPACE;
 }
 

src/heap/read-only-heap.h

@@ -36,7 +36,7 @@ class ReadOnlyHeap final {
   void OnHeapTearDown();
 
   // Returns whether the object resides in the read-only space.
-  static bool Contains(Object object);
+  static bool Contains(HeapObject object);
 
   std::vector<Object>* read_only_object_cache() {
     return &read_only_object_cache_;