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

chrome/browser/ui/views/tabs/tab_drag_controller.cc

 // Copyright (c) 2012 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/tabs/tab_drag_controller.h"
 
 #include <math.h>
 #include <set>
 
 #include "base/auto_reset.h"
@@ skipping 150 matching lines @@
  private:
   // ui::EventHandler:
   void OnKeyEvent(ui::KeyEvent* key) override {
     if (key->type() == ui::ET_KEY_PRESSED &&
         key->key_code() == ui::VKEY_ESCAPE) {
       escape_callback_.Run();
     }
   }
 
   base::Closure escape_callback_;
-  scoped_ptr<views::EventMonitor> event_monitor_;
+  std::unique_ptr<views::EventMonitor> event_monitor_;
 
   DISALLOW_COPY_AND_ASSIGN(EscapeTracker);
 };
 
 }  // namespace
 
 TabDragController::TabDragData::TabDragData()
     : contents(NULL),
       source_model_index(-1),
       attached_tab(NULL),
@@ skipping 1641 matching lines @@
   // TODO(pkotwicz): Fix this properly (crbug.com/358482)
   for (auto* browser : *BrowserList::GetInstance()) {
     if (browser->tab_strip_model()->empty())
       exclude.insert(browser->window()->GetNativeWindow());
   }
 #endif
   base::WeakPtr<TabDragController> ref(weak_factory_.GetWeakPtr());
   *window = window_finder_->GetLocalProcessWindowAtPoint(screen_point, exclude);
   return ref ? Liveness::ALIVE : Liveness::DELETED;
 }