| Index: chrome/browser/guest_view/ad_view/ad_view_guest.cc
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| diff --git a/chrome/browser/guest_view/ad_view/ad_view_guest.cc b/chrome/browser/guest_view/ad_view/ad_view_guest.cc
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| index b09b8df377d9434a95c6d5cfc4367de167927e15..165c9f49a975a4eeb0ef40d5df0a94e316be004a 100644
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| --- a/chrome/browser/guest_view/ad_view/ad_view_guest.cc
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| +++ b/chrome/browser/guest_view/ad_view/ad_view_guest.cc
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| @@ -14,7 +14,9 @@ using content::WebContents;
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|  
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|  AdViewGuest::AdViewGuest(WebContents* guest_web_contents,
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|                           const std::string& extension_id)
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| -    : GuestView<AdViewGuest>(guest_web_contents, extension_id),
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| +    : GuestView<AdViewGuest>(guest_web_contents,
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| +                             extension_id,
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| +                             base::WeakPtr<GuestViewBase>()),
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|        WebContentsObserver(guest_web_contents) {
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|  }
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|  
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| 
 |