Make the full object memory size of a page available for a single allocation.

src/heap.cc

Index: src/heap.cc
diff --git a/src/heap.cc b/src/heap.cc
index 6db1459825368155f802f585ef5dc9f4661a5fe3..0b60a04e347f714649f7e64f27e9c9699f84390a 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -2936,7 +2936,7 @@ MaybeObject* Heap::AllocateHeapNumber(double value, PretenureFlag pretenure) {
   // Statically ensure that it is safe to allocate heap numbers in paged
   // spaces.
   int size = HeapNumber::kSize;
-  STATIC_ASSERT(HeapNumber::kSize <= Page::kNonCodeObjectAreaSize);
+  STATIC_ASSERT(HeapNumber::kSize <= Page::kMaxNonCodeHeapObjectSize);
   AllocationSpace space = SelectSpace(size, OLD_DATA_SPACE, pretenure);
 
   Object* result;
@@ -2952,7 +2952,7 @@ MaybeObject* Heap::AllocateHeapNumber(double value, PretenureFlag pretenure) {
 
 MaybeObject* Heap::AllocateCell(Object* value) {
   int size = Cell::kSize;
-  STATIC_ASSERT(Cell::kSize <= Page::kNonCodeObjectAreaSize);
+  STATIC_ASSERT(Cell::kSize <= Page::kMaxNonCodeHeapObjectSize);
 
   Object* result;
   { MaybeObject* maybe_result = AllocateRaw(size, CELL_SPACE, CELL_SPACE);
@@ -2966,7 +2966,7 @@ MaybeObject* Heap::AllocateCell(Object* value) {
 
 MaybeObject* Heap::AllocatePropertyCell() {
   int size = PropertyCell::kSize;
-  STATIC_ASSERT(PropertyCell::kSize <= Page::kNonCodeObjectAreaSize);
+  STATIC_ASSERT(PropertyCell::kSize <= Page::kMaxNonCodeHeapObjectSize);
 
   Object* result;
   MaybeObject* maybe_result =
@@ -5348,7 +5348,7 @@ MaybeObject* Heap::AllocateHashTable(int length, PretenureFlag pretenure) {
 
 MaybeObject* Heap::AllocateSymbol() {
   // Statically ensure that it is safe to allocate symbols in paged spaces.
-  STATIC_ASSERT(Symbol::kSize <= Page::kNonCodeObjectAreaSize);
+  STATIC_ASSERT(Symbol::kSize <= Page::kMaxNonCodeHeapObjectSize);
 
   Object* result;
   MaybeObject* maybe =