Fix leaks in aura_unittests

ui/aura/window_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 "ui/aura/window.h"
 
 #include <utility>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 445 matching lines @@
   EXPECT_FALSE(w1.HitTest(gfx::Point(-5, -6)));
   ui::TouchEvent released(
       ui::ET_TOUCH_RELEASED, gfx::Point(50, 50), 0, getTime());
   root_window()->AsRootWindowHostDelegate()->OnHostTouchEvent(&released);
   EXPECT_FALSE(w1.HitTest(gfx::Point(-2, -2)));
 
   // TODO(beng): clip Window to parent.
 }
 
 TEST_F(WindowTest, HitTestMask) {
-  Window w1(new MaskedWindowDelegate(gfx::Rect(5, 6, 20, 30)));
+  MaskedWindowDelegate d1(gfx::Rect(5, 6, 20, 30));
+  Window w1(&d1);
   w1.Init(ui::LAYER_NOT_DRAWN);
   w1.SetBounds(gfx::Rect(10, 20, 50, 60));
   w1.Show();
   w1.SetParent(NULL);
 
   // Points inside the mask.
   EXPECT_TRUE(w1.HitTest(gfx::Point(5, 6)));  // top-left
   EXPECT_TRUE(w1.HitTest(gfx::Point(15, 21)));  // center
   EXPECT_TRUE(w1.HitTest(gfx::Point(24, 35)));  // bottom-right
 
@@ skipping 2059 matching lines @@
   // Move |w2| to be a child of |w1|.
   w1->AddChild(w2.get());
   // Sine we moved in the same root, observer shouldn't be notified.
   EXPECT_EQ("0 0", observer.CountStringAndReset());
   // |w2| should still have focus after moving.
   EXPECT_TRUE(w2->HasFocus());
 }
 
 }  // namespace test
 }  // namespace aura