Remove linked_ptr usage in //base.

components/guest_view/browser/guest_view_base.h

Index: components/guest_view/browser/guest_view_base.h
diff --git a/components/guest_view/browser/guest_view_base.h b/components/guest_view/browser/guest_view_base.h
index 9d5b340d2166e0a8e7efccdacbb46ee0d31971ed..8def91e8db6700d80316780ce573cd5535dfcb55 100644
--- a/components/guest_view/browser/guest_view_base.h
+++ b/components/guest_view/browser/guest_view_base.h
@@ -8,6 +8,7 @@
 #include <queue>
 
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
 #include "components/guest_view/common/guest_view_constants.h"
@@ -431,7 +432,7 @@ class GuestViewBase : public content::BrowserPluginGuestDelegate,
 
   // This is a queue of Events that are destined to be sent to the embedder once
   // the guest is attached to a particular embedder.
-  std::deque<linked_ptr<GuestViewEvent> > pending_events_;
+  std::deque<scoped_ptr<GuestViewEvent>> pending_events_;
 
   // The opener guest view.
   base::WeakPtr<GuestViewBase> opener_;