Merge flush code phase into marking phase.

src/mark-compact.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 157 matching lines @@
   //  Before: The heap has been prepared for garbage collection by
   //          MarkCompactCollector::Prepare() and is otherwise in its
   //          normal state.
   //
   //   After: Live objects are marked and non-live objects are unmarked.
 
 
   friend class RootMarkingVisitor;
   friend class MarkingVisitor;
   friend class StaticMarkingVisitor;
+  friend class CodeMarkingVisitor;
+  friend class SharedFunctionInfoMarkingVisitor;
+
+  static void PrepareForCodeFlushing();
 
   // Marking operations for objects reachable from roots.
   static void MarkLiveObjects();
 
   static void MarkUnmarkedObject(HeapObject* obj);
 
   static inline void MarkObject(HeapObject* obj) {
     if (!obj->IsMarked()) MarkUnmarkedObject(obj);
   }
 
@@ skipping 258 matching lines @@
 
   friend class UnmarkObjectVisitor;
   static void UnmarkObject(HeapObject* obj);
 #endif
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_MARK_COMPACT_H_