Revert change 6302 until the compiler warning is addressed.

vm/pages.cc

Index: vm/pages.cc
===================================================================
--- vm/pages.cc	(revision 6302)
+++ vm/pages.cc	(working copy)
@@ -49,21 +49,6 @@
 }
 
 
-RawObject* HeapPage::FindObject(FindObjectVisitor* visitor) const {
-  uword obj_addr = first_object_start();
-  uword end_addr = top();
-  while (obj_addr < end_addr) {
-    RawObject* raw_obj = RawObject::FromAddr(obj_addr);
-    if (raw_obj->FindObject(visitor)) {
-      return raw_obj;  // Found object, return it.
-    }
-    obj_addr += raw_obj->Size();
-  }
-  ASSERT(obj_addr == end_addr);
-  return Object::null();
-}
-
-
 PageSpace::PageSpace(Heap* heap, intptr_t max_capacity, bool is_executable)
     : freelist_(),
       heap_(heap),
@@ -221,29 +206,6 @@
 }
 
 
-RawObject* PageSpace::FindObject(FindObjectVisitor* visitor) const {
-  ASSERT(Isolate::Current()->no_gc_scope_depth() != 0);
-  HeapPage* page = pages_;
-  while (page != NULL) {
-    RawObject* obj = page->FindObject(visitor);
-    if (obj != Object::null()) {
-      return obj;
-    }
-    page = page->next();
-  }
-
-  page = large_pages_;
-  while (page != NULL) {
-    RawObject* obj = page->FindObject(visitor);
-    if (obj != Object::null()) {
-      return obj;
-    }
-    page = page->next();
-  }
-  return Object::null();
-}
-
-
 void PageSpace::MarkSweep(bool invoke_api_callbacks) {
   // MarkSweep is not reentrant. Make sure that is the case.
   ASSERT(!sweeping_);