Rewrite scoped_ptr<T>(NULL) to use the default ctor in chrome/.

chrome/browser/ui/views/frame/immersive_mode_controller_ash_browsertest.cc

 // Copyright 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/frame/immersive_mode_controller_ash.h"
 
 #include "ash/ash_switches.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_types.h"
@@ skipping 433 matching lines @@
   controller()->OnMouseEvent(&move);
   EXPECT_FALSE(controller()->IsRevealed());
 }
 
 // Test behavior when the mouse becomes hovered without moving.
 IN_PROC_BROWSER_TEST_F(ImmersiveModeControllerAshTest,
                        MouseHoveredWithoutMoving) {
   chrome::ToggleFullscreenMode(browser());
   ASSERT_TRUE(controller()->IsEnabled());
 
-  scoped_ptr<ImmersiveRevealedLock> lock(NULL);
+  scoped_ptr<ImmersiveRevealedLock> lock;
 
   // 1) Test that if the mouse becomes hovered without the mouse moving due to a
   // lock causing the top-of-window views to be revealed (and the mouse
   // happening to be near the top of the screen), the top-of-window views do not
   // hide till the mouse moves off of the top-of-window views.
   controller()->SetMouseHoveredForTest(true);
   EXPECT_FALSE(controller()->IsRevealed());
   lock.reset(controller()->GetRevealedLock(
       ImmersiveModeController::ANIMATE_REVEAL_NO));
   EXPECT_TRUE(controller()->IsRevealed());
@@ skipping 24 matching lines @@
   chrome::ToggleFullscreenMode(browser());
   EXPECT_TRUE(controller()->IsRevealed());
   lock.reset();
   EXPECT_TRUE(controller()->IsRevealed());
   controller()->SetMouseHoveredForTest(false);
   EXPECT_FALSE(controller()->IsRevealed());
 }
 
 // GetRevealedLock() specific tests.
 IN_PROC_BROWSER_TEST_F(ImmersiveModeControllerAshTest, RevealedLock) {
-  scoped_ptr<ImmersiveRevealedLock> lock1(NULL);
-  scoped_ptr<ImmersiveRevealedLock> lock2(NULL);
+  scoped_ptr<ImmersiveRevealedLock> lock1;
+  scoped_ptr<ImmersiveRevealedLock> lock2;
 
   // Immersive mode is not on by default.
   EXPECT_FALSE(controller()->IsEnabled());
 
   // Move the mouse out of the way.
   controller()->SetMouseHoveredForTest(false);
 
   // 1) Test acquiring and releasing a revealed state lock while immersive mode
   // is disabled. Acquiring or releasing the lock should have no effect till
   // immersive mode is enabled.
@@ skipping 252 matching lines @@
   waiter.reset(new FullscreenNotificationObserver());
   chrome::ToggleFullscreenMode(browser());
   waiter->Wait();
 
   ASSERT_FALSE(controller()->IsEnabled());
   EXPECT_EQ(ash::SHELF_VISIBLE, shelf->visibility_state());
   EXPECT_TRUE(controller()->ShouldHideTabIndicators());
 }
 
 #endif  // defined(OS_CHROMEOS)