Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/views/autofill/tooltip_icon.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/autofill/tooltip_icon.h"
 
 #include "base/macros.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/ui/views/autofill/info_bubble.h"
 #include "ui/accessibility/ax_view_state.h"
@@ skipping 107 matching lines @@
   bubble_->set_arrow(bubble_arrow_);
   // When shown due to a gesture event, close on deactivate (i.e. don't use
   // "focusless").
   bubble_->set_can_activate(!mouse_inside_);
 
   bubble_->Show();
   observer_.Add(bubble_->GetWidget());
 
   if (mouse_inside_) {
     views::View* frame = bubble_->GetWidget()->non_client_view()->frame_view();
-    scoped_ptr<views::MouseWatcherHost> host(
+    std::unique_ptr<views::MouseWatcherHost> host(
         new views::MouseWatcherViewHost(frame, gfx::Insets()));
     mouse_watcher_.reset(new views::MouseWatcher(host.release(), this));
     mouse_watcher_->Start();
   }
 }
 
 void TooltipIcon::HideBubble() {
   if (bubble_)
     bubble_->Hide();
 }
 
 void TooltipIcon::OnWidgetDestroyed(views::Widget* widget) {
   observer_.Remove(widget);
 
   SetDrawAsHovered(false);
   mouse_watcher_.reset();
   bubble_ = NULL;
 }
 
 }  // namespace autofill