VM: Load allocation-top and -end via Thread.

runtime/vm/heap.cc

Index: runtime/vm/heap.cc
diff --git a/runtime/vm/heap.cc b/runtime/vm/heap.cc
index f0c98a5172fd5cde97883e59c487abcd1b15c237..6897af855dca5ad0601c1bf042e8735316386458 100644
--- a/runtime/vm/heap.cc
+++ b/runtime/vm/heap.cc
@@ -452,26 +452,6 @@ void Heap::WriteProtect(bool read_only) {
 }
 
 
-uword Heap::TopAddress(Heap::Space space) {
-  if (space == kNew) {
-    return reinterpret_cast<uword>(new_space_.TopAddress());
-  } else {
-    ASSERT(space == kPretenured);
-    return reinterpret_cast<uword>(old_space_.TopAddress());
-  }
-}
-
-
-uword Heap::EndAddress(Heap::Space space) {
-  if (space == kNew) {
-    return reinterpret_cast<uword>(new_space_.EndAddress());
-  } else {
-    ASSERT(space == kPretenured);
-    return reinterpret_cast<uword>(old_space_.EndAddress());
-  }
-}
-
-
 Heap::Space Heap::SpaceForAllocation(intptr_t cid) {
   return FLAG_pretenure_all ? kPretenured : kNew;
 }