Refactoring of snapshots. This simplifies and improves

src/snapshot-empty.cc

Index: src/snapshot-empty.cc
===================================================================
--- src/snapshot-empty.cc	(revision 12497)
+++ src/snapshot-empty.cc	(working copy)
@@ -49,6 +49,12 @@
 const int Snapshot::code_space_used_ = 0;
 const int Snapshot::map_space_used_ = 0;
 const int Snapshot::cell_space_used_ = 0;
-const int Snapshot::large_space_used_ = 0;
 
+const int Snapshot::context_new_space_used_ = 0;
+const int Snapshot::context_pointer_space_used_ = 0;
+const int Snapshot::context_data_space_used_ = 0;
+const int Snapshot::context_code_space_used_ = 0;
+const int Snapshot::context_map_space_used_ = 0;
+const int Snapshot::context_cell_space_used_ = 0;
+
 } }  // namespace v8::internal