[heap] Merge NewSpacePage into Page

test/cctest/heap/test-heap.cc

Index: test/cctest/heap/test-heap.cc
diff --git a/test/cctest/heap/test-heap.cc b/test/cctest/heap/test-heap.cc
index 2fc3653af6ee75d433098b0086629b0ede321f11..0f322ed9f6f448252120d6dc96ec9a87137e4543 100644
--- a/test/cctest/heap/test-heap.cc
+++ b/test/cctest/heap/test-heap.cc
@@ -6600,15 +6600,14 @@ UNINITIALIZED_TEST(PagePromotion) {
     CHECK_GT(handles.size(), 0u);
     // First object in handle should be on the first page.
     Handle<FixedArray> first_object = handles.front();
-    NewSpacePage* first_page =
-        NewSpacePage::FromAddress(first_object->address());
+    Page* first_page = Page::FromAddress(first_object->address());
     // The age mark should not be on the first page.
     CHECK(!first_page->ContainsLimit(heap->new_space()->age_mark()));
     // To perform a sanity check on live bytes we need to mark the heap.
     SimulateIncrementalMarking(heap, true);
     // Sanity check that the page meets the requirements for promotion.
     const int threshold_bytes =
-        FLAG_page_promotion_threshold * NewSpacePage::kAllocatableMemory / 100;
+        FLAG_page_promotion_threshold * Page::kAllocatableMemory / 100;
     CHECK_GE(first_page->LiveBytes(), threshold_bytes);
 
     // Actual checks: The page is in new space first, but is moved to old space