Convert Pass()→std::move() in //ash

ash/wm/workspace/workspace_layout_manager_unittest.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 "ash/wm/workspace/workspace_layout_manager.h"
 
 #include <string>
+#include <utility>
 
 #include "ash/display/display_layout.h"
 #include "ash/display/display_manager.h"
 #include "ash/root_window_controller.h"
 #include "ash/screen_util.h"
 #include "ash/session/session_state_delegate.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shell.h"
 #include "ash/shell_observer.h"
 #include "ash/shell_window_ids.h"
@@ skipping 809 matching lines @@
     return window;
   }
 
   // Turn the top window back drop on / off.
   void ShowTopWindowBackdrop(bool show) {
     scoped_ptr<ash::WorkspaceLayoutManagerDelegate> backdrop;
     if (show) {
       backdrop.reset(new ash::WorkspaceBackdropDelegate(default_container_));
     }
     (static_cast<WorkspaceLayoutManager*>(default_container_->layout_manager()))
-        ->SetMaximizeBackdropDelegate(backdrop.Pass());
+        ->SetMaximizeBackdropDelegate(std::move(backdrop));
     // Closing and / or opening can be a delayed operation.
     base::MessageLoop::current()->RunUntilIdle();
   }
 
   // Return the default container.
   aura::Window* default_container() { return default_container_; }
 
   // Return the order of windows (top most first) as they are in the default
   // container. If the window is visible it will be a big letter, otherwise a
   // small one. The backdrop will be an X and unknown windows will be shown as
@@ skipping 281 matching lines @@
   EXPECT_EQ(gfx::Rect(50,
                       keyboard_bounds.y() - keyboard_bounds.height()/2,
                       occluded_window_bounds.width(),
                       occluded_window_bounds.height()).ToString(),
             window->bounds().ToString());
   HideKeyboard();
   EXPECT_EQ(occluded_window_bounds.ToString(), window->bounds().ToString());
 }
 
 }  // namespace ash