Fixed IsSweepingComplete and EnsureSweeperProgress helper functions.

src/spaces.h

Index: src/spaces.h
diff --git a/src/spaces.h b/src/spaces.h
index 07daacfdf63d7c530f9694544435a4c1275121fc..ed68000aac0ca9f47ce541247d18516d8d9b69a2 100644
--- a/src/spaces.h
+++ b/src/spaces.h
@@ -1644,7 +1644,8 @@ class PagedSpace : public Space {
   // As size, but the bytes in lazily swept pages are estimated and the bytes
   // in the current linear allocation area are not included.
   virtual intptr_t SizeOfObjects() {
-    ASSERT(!IsSweepingComplete() || (unswept_free_bytes_ == 0));
+    // TODO(hpayer): broken when concurrent sweeping turned on
+    ASSERT(!IsLazySweepingComplete() || (unswept_free_bytes_ == 0));
     return Size() - unswept_free_bytes_ - (limit() - top());
   }
 
@@ -1763,7 +1764,7 @@ class PagedSpace : public Space {
   // is called.
   bool EnsureSweeperProgress(intptr_t size_in_bytes);
 
-  bool IsSweepingComplete() {
+  bool IsLazySweepingComplete() {
     return !first_unswept_page_->is_valid();
   }