| Index: chrome/browser/ui/tab_contents/core_tab_helper.cc
 | 
| diff --git a/chrome/browser/ui/tab_contents/core_tab_helper.cc b/chrome/browser/ui/tab_contents/core_tab_helper.cc
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| index 292ba98f3f90c39b76234c365b6349f943947aee..aba3a32f836f1643230587127dc022cfa0436c1d 100644
 | 
| --- a/chrome/browser/ui/tab_contents/core_tab_helper.cc
 | 
| +++ b/chrome/browser/ui/tab_contents/core_tab_helper.cc
 | 
| @@ -122,7 +122,7 @@ void CoreTabHelper::RequestThumbnailForContextNode(
 | 
|      gfx::Size maximum_size,
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|      const ContextNodeThumbnailCallback& callback) {
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|    int callback_id = thumbnail_callbacks_.Add(
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| -      new ContextNodeThumbnailCallback(callback));
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| +      base::MakeUnique<ContextNodeThumbnailCallback>(callback));
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|  
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|    render_frame_host->Send(
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|        new ChromeViewMsg_RequestThumbnailForContextNode(
 | 
| 
 |