Make PendingScript MemoryCoordinatorClient.

third_party/WebKit/Source/core/dom/PendingScript.h

 /*
  * Copyright (C) 2010 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 12 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef PendingScript_h
 #define PendingScript_h
 
 #include "bindings/core/v8/ScriptStreamer.h"
 #include "core/CoreExport.h"
 #include "core/fetch/ResourceOwner.h"
 #include "core/fetch/ScriptResource.h"
+#include "platform/MemoryCoordinator.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/text/TextPosition.h"
 
 namespace blink {
 
 class Element;
 class ScriptSourceCode;
 
 // A container for an external script which may be loaded and executed.
 //
 // TODO(kochi): The comment below is from pre-oilpan age and may not be correct now.
 // A RefPtr alone does not prevent the underlying Resource
 // from purging its data buffer. This class holds a dummy client open for its
 // lifetime in order to guarantee that the data buffer will not be purged.
-class CORE_EXPORT PendingScript final : public GarbageCollectedFinalized<PendingScript>, public ResourceOwner<ScriptResource> {
+class CORE_EXPORT PendingScript final : public GarbageCollectedFinalized<PendingScript>, public ResourceOwner<ScriptResource>, public MemoryCoordinatorClient {
     USING_GARBAGE_COLLECTED_MIXIN(PendingScript);
     USING_PRE_FINALIZER(PendingScript, dispose);
     WTF_MAKE_NONCOPYABLE(PendingScript);
 public:
     static PendingScript* create(Element*, ScriptResource*);
     ~PendingScript() override;
 
     TextPosition startingPosition() const { return m_startingPosition; }
     void setStartingPosition(const TextPosition& position) { m_startingPosition = position; }
     void markParserBlockingLoadStartTime();
@@ skipping 22 matching lines @@
     void setStreamer(ScriptStreamer*);
     void streamingFinished();
 
     bool isReady() const;
     bool errorOccurred() const;
 
     void dispose();
 
 private:
     PendingScript(Element*, ScriptResource*);
+    PendingScript() = delete;
+
+    void prepareToSuspend() override;
 
     bool m_watchingForLoad;
     Member<Element> m_element;
     TextPosition m_startingPosition; // Only used for inline script tags.
     bool m_integrityFailure;
     double m_parserBlockingLoadStartTime;
 
     Member<ScriptStreamer> m_streamer;
     Member<ScriptResourceClient> m_client;
 };
 
 } // namespace blink
 
 #endif // PendingScript_h