| Index: Source/core/plugins/DOMMimeType.h
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| diff --git a/Source/core/plugins/DOMMimeType.h b/Source/core/plugins/DOMMimeType.h
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| index 78518a279a8c482b0410c909223a141d9bfaa9f5..d8b2a7ba3db8c611eea4cf2d2edd7292eb578566 100644
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| --- a/Source/core/plugins/DOMMimeType.h
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| +++ b/Source/core/plugins/DOMMimeType.h
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| @@ -35,6 +35,7 @@ class DOMPlugin;
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|  class LocalFrame;
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|  
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|  class DOMMimeType FINAL : public RefCountedWillBeGarbageCollectedFinalized<DOMMimeType>, public ScriptWrappable, public FrameDestructionObserver {
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| +    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DOMMimeType);
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|      DEFINE_WRAPPERTYPEINFO();
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|  public:
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|      static PassRefPtrWillBeRawPtr<DOMMimeType> create(PassRefPtr<PluginData> pluginData, LocalFrame* frame, unsigned index)
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| @@ -48,7 +49,7 @@ public:
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|      const String& description() const;
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|      PassRefPtrWillBeRawPtr<DOMPlugin> enabledPlugin() const;
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|  
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| -    void trace(Visitor*) { }
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| +    virtual void trace(Visitor*) OVERRIDE;
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|  
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|  private:
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|      const MimeClassInfo& mimeClassInfo() const { return m_pluginData->mimes()[m_index]; }
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| 
 |