| Index: third_party/WebKit/Source/core/frame/DOMWindow.h
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| diff --git a/third_party/WebKit/Source/core/frame/DOMWindow.h b/third_party/WebKit/Source/core/frame/DOMWindow.h
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| index e587927db7a6e0fe3ce8b5e26f7deb37bb5f63ce..982bb58f3abdc708e23913739cac9afdb58500bb 100644
 | 
| --- a/third_party/WebKit/Source/core/frame/DOMWindow.h
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| +++ b/third_party/WebKit/Source/core/frame/DOMWindow.h
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| @@ -213,6 +213,9 @@ public:
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|  
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|      DEFINE_ATTRIBUTE_EVENT_LISTENER(orientationchange);
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|  
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| +    // TODO(hajimehoshi): This is an experimental API to force purging memory. Remove this.
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| +    void purgeMemory(ExceptionState&);
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| +
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|  protected:
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|      DOMWindow();
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|  
 | 
| 
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