[heap] Move to page lookups for SemiSpace, NewSpace, and Heap containment methods

src/heap/heap-inl.h

Index: src/heap/heap-inl.h
diff --git a/src/heap/heap-inl.h b/src/heap/heap-inl.h
index d54d644bdb4e542069b8693dddcceb1882961c1b..347a0879b479257d246584a18b3160deae6e99bf 100644
--- a/src/heap/heap-inl.h
+++ b/src/heap/heap-inl.h
@@ -359,10 +359,6 @@ bool Heap::InNewSpace(Object* object) {
   return result;
 }
 
-
-bool Heap::InNewSpace(Address address) { return new_space_.Contains(address); }
-
-
 bool Heap::InFromSpace(Object* object) {
   return new_space_.FromSpaceContains(object);
 }
@@ -372,6 +368,9 @@ bool Heap::InToSpace(Object* object) {
   return new_space_.ToSpaceContains(object);
 }
 
+bool Heap::InNewSpaceSlow(Address address) {
+  return new_space_.ContainsSlow(address);
+}
 
 bool Heap::InOldSpace(Address address) { return old_space_->Contains(address); }
 
@@ -394,18 +393,15 @@ bool Heap::ShouldBePromoted(Address old_address, int object_size) {
          (!page->ContainsLimit(age_mark) || old_address < age_mark);
 }
 
-
-void Heap::RecordWrite(Address address, int offset) {
-  if (!InNewSpace(address)) store_buffer_.Mark(address + offset);
+void Heap::RecordWriteSlow(Address address, int offset) {
+  if (!InNewSpaceSlow(address)) store_buffer_.Mark(address + offset);
 }
 
-
-void Heap::RecordWrites(Address address, int start, int len) {
-  if (!InNewSpace(address)) {
-    for (int i = 0; i < len; i++) {
-      store_buffer_.Mark(address + start + i * kPointerSize);
-    }
+inline void Heap::RecordWrite(Object* object, int offset) {
+  if (!object->IsHeapObject() || InNewSpace(object)) {
+    return;
   }
+  store_buffer_.Mark(HeapObject::cast(object)->address() + offset);
 }