Ensure that executable pages are properly guarded.

test/cctest/test-mark-compact.cc

Index: test/cctest/test-mark-compact.cc
diff --git a/test/cctest/test-mark-compact.cc b/test/cctest/test-mark-compact.cc
index 2535f10c03f853f3ff7eee4bedeebb9bd2fc353c..1d8691b3be1fde3a769583efeb3b37f3c834d639 100644
--- a/test/cctest/test-mark-compact.cc
+++ b/test/cctest/test-mark-compact.cc
@@ -94,7 +94,7 @@ TEST(Promotion) {
 
   // Allocate a fixed array in the new space.
   int array_size =
-      (HEAP->MaxObjectSizeInPagedSpace() - FixedArray::kHeaderSize) /
+      (Page::kMaxNonCodeHeapObjectSize - FixedArray::kHeaderSize) /
       (kPointerSize * 4);
   Object* obj = HEAP->AllocateFixedArray(array_size)->ToObjectChecked();
 
@@ -125,7 +125,7 @@ TEST(NoPromotion) {
 
   // Allocate a big Fixed array in the new space.
   int max_size =
-      Min(HEAP->MaxObjectSizeInPagedSpace(), HEAP->MaxObjectSizeInNewSpace());
+      Min(Page::kMaxNonCodeHeapObjectSize, HEAP->MaxObjectSizeInNewSpace());
 
   int length = (max_size - FixedArray::kHeaderSize) / (2*kPointerSize);
   Object* obj = i::Isolate::Current()->heap()->AllocateFixedArray(length)->