[heap] Remove unused PagedSpace::FindObject().

src/heap/spaces.cc

Index: src/heap/spaces.cc
diff --git a/src/heap/spaces.cc b/src/heap/spaces.cc
index bbb3402c0c29b8fa80242673f8a84a0528d26e06..655806d68ebc6154c45225f8382fd62e02fd3a91 100644
--- a/src/heap/spaces.cc
+++ b/src/heap/spaces.cc
@@ -1287,25 +1287,6 @@ bool PagedSpace::ContainsSlow(Address addr) {
   return false;
 }
 
-
-Object* PagedSpace::FindObject(Address addr) {
-  // Note: this function can only be called on iterable spaces.
-  DCHECK(!heap()->mark_compact_collector()->in_use());
-
-  if (!Contains(addr)) return Smi::kZero;  // Signaling not found.
-
-  Page* p = Page::FromAddress(addr);
-  HeapObjectIterator it(p);
-  for (HeapObject* obj = it.Next(); obj != NULL; obj = it.Next()) {
-    Address cur = obj->address();
-    Address next = cur + obj->Size();
-    if ((cur <= addr) && (addr < next)) return obj;
-  }
-
-  UNREACHABLE();
-  return Smi::kZero;
-}
-
 void PagedSpace::ShrinkImmortalImmovablePages() {
   DCHECK(!heap()->deserialization_complete());
   MemoryChunk::UpdateHighWaterMark(allocation_info_.top());