[Experiment] purge-and-suspend

third_party/WebKit/Source/bindings/core/v8/V8PerIsolateData.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 132 matching lines @@
     void setThreadDebugger(std::unique_ptr<ThreadDebugger>);
     ThreadDebugger* threadDebugger();
 
     using ActiveScriptWrappableSet = HeapHashSet<WeakMember<ActiveScriptWrappable>>;
     void addActiveScriptWrappable(ActiveScriptWrappable*);
     const ActiveScriptWrappableSet* activeScriptWrappables() const { return m_activeScriptWrappables.get(); }
 
     void setScriptWrappableVisitor(std::unique_ptr<ScriptWrappableVisitor> visitor) { m_scriptWrappableVisitor = std::move(visitor); }
     ScriptWrappableVisitor* scriptWrappableVisitor() { return m_scriptWrappableVisitor.get(); }
 
+    static void purgeMemory();
+
 private:
     V8PerIsolateData();
     ~V8PerIsolateData();
 
     static void useCounterCallback(v8::Isolate*, v8::Isolate::UseCounterFeature);
 
     typedef HashMap<const void*, v8::Eternal<v8::FunctionTemplate>> V8FunctionTemplateMap;
     V8FunctionTemplateMap& selectInterfaceTemplateMap(const DOMWrapperWorld&);
     V8FunctionTemplateMap& selectOperationTemplateMap(const DOMWrapperWorld&);
     bool hasInstance(const WrapperTypeInfo* untrusted, v8::Local<v8::Value>, V8FunctionTemplateMap&);
@@ skipping 28 matching lines @@
     Vector<std::unique_ptr<EndOfScopeTask>> m_endOfScopeTasks;
     std::unique_ptr<ThreadDebugger> m_threadDebugger;
 
     Persistent<ActiveScriptWrappableSet> m_activeScriptWrappables;
     std::unique_ptr<ScriptWrappableVisitor> m_scriptWrappableVisitor;
 };
 
 } // namespace blink
 
 #endif // V8PerIsolateData_h