Precompilation: drop unused types and type arguments and empty classes and libraries.

runtime/vm/class_table.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_CLASS_TABLE_H_
 #define VM_CLASS_TABLE_H_
 
 #include "platform/assert.h"
 #include "vm/bitfield.h"
 #include "vm/globals.h"
@@ skipping 153 matching lines @@
     ASSERT(IsValidIndex(index));
     return table_[index] != NULL;
   }
 
   intptr_t NumCids() const { return top_; }
 
   void Register(const Class& cls);
 
   void RegisterAt(intptr_t index, const Class& cls);
 
+#if defined(DEBUG)
+  void Unregister(intptr_t index);
+#endif
+
   void VisitObjectPointers(ObjectPointerVisitor* visitor);
 
   void Validate();
 
   void Print();
 
   void PrintToJSONObject(JSONObject* object);
 
   // Used by the generated code.
   static intptr_t table_offset() {
@@ skipping 62 matching lines @@
   ClassHeapStats* PreliminaryStatsAt(intptr_t cid);
   void UpdateLiveOld(intptr_t cid, intptr_t size, intptr_t count = 1);
   void UpdateLiveNew(intptr_t cid, intptr_t size);
 
   DISALLOW_COPY_AND_ASSIGN(ClassTable);
 };
 
 }  // namespace dart
 
 #endif  // VM_CLASS_TABLE_H_