Remove linked_ptr usage in //base.

components/guest_view/browser/guest_view_base.cc

Index: components/guest_view/browser/guest_view_base.cc
diff --git a/components/guest_view/browser/guest_view_base.cc b/components/guest_view/browser/guest_view_base.cc
index 634b1f7900b7eb7b5798e865f6de57b17037a76e..64b33d55a25da94119471a7492738f48368ca646 100644
--- a/components/guest_view/browser/guest_view_base.cc
+++ b/components/guest_view/browser/guest_view_base.cc
@@ -758,7 +758,7 @@ void GuestViewBase::DispatchEventToGuestProxy(GuestViewEvent* event) {
 void GuestViewBase::DispatchEventToView(GuestViewEvent* event) {
   if (!attached() &&
       (!CanRunInDetachedState() || !can_owner_receive_events())) {
-    pending_events_.push_back(linked_ptr<GuestViewEvent>(event));
+    pending_events_.push_back(make_scoped_ptr(event));

[dcheng, 2016/01/27 22:18:27]

Another alternative is:
pending_events_.emplace_back(event);

Though it's technically not on the C++11 allowed library features list.

     return;
   }
 
@@ -769,9 +769,9 @@ void GuestViewBase::SendQueuedEvents() {
   if (!attached())
     return;
   while (!pending_events_.empty()) {
-    linked_ptr<GuestViewEvent> event_ptr = pending_events_.front();
+    scoped_ptr<GuestViewEvent> event_ptr = std::move(pending_events_.front());
     pending_events_.pop_front();
-    event_ptr.release()->Dispatch(this, view_instance_id_);
+    event_ptr->Dispatch(this, view_instance_id_);
   }
 }