[Cleanup] Remove mac code from aura/ash/views

ash/wm/toplevel_window_event_handler_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/toplevel_window_event_handler.h"
 
 #include "ash/ash_constants.h"
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
@@ skipping 598 matching lines @@
     gfx::Point end = start + gfx::Vector2d(100, 10);
     gen.GestureScrollSequence(start, end,
         base::TimeDelta::FromMilliseconds(10),
         10);
     EXPECT_EQ(bounds.ToString(), notmoved->bounds().ToString());
   }
 }
 
 // Verifies pressing escape resets the bounds to the original bounds.
 // Disabled crbug.com/166219.
-#if defined(OS_MACOSX) || defined(OS_WIN)
+#if defined(OS_WIN)
 #define MAYBE_EscapeReverts DISABLED_EscapeReverts
 #else
 #define MAYBE_EscapeReverts EscapeReverts
 #endif
 TEST_F(ToplevelWindowEventHandlerTest, MAYBE_EscapeReverts) {
   scoped_ptr<aura::Window> target(CreateWindow(HTBOTTOMRIGHT));
   aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow(),
                                        target.get());
   generator.PressLeftButton();
   generator.MoveMouseBy(10, 11);
@@ skipping 177 matching lines @@
 
   // Move mouse out of the window. Shadows should disappear.
   generator.MoveMouseTo(150, 150);
   EXPECT_FALSE(HasResizeShadow());
 
   RunAllPendingInMessageLoop();
 }
 
 }  // namespace test
 }  // namespace ash