Fix crash when using title drag on a window opened while split view is active

athena/wm/window_manager_unittest.cc

Index: athena/wm/window_manager_unittest.cc
diff --git a/athena/wm/window_manager_unittest.cc b/athena/wm/window_manager_unittest.cc
index 8a331cafc46cebed205de9c90b423484d18cadd5..00df3cb5a6eff5ca1e313634449fb2bada943ac4 100644
--- a/athena/wm/window_manager_unittest.cc
+++ b/athena/wm/window_manager_unittest.cc
@@ -268,16 +268,12 @@ TEST_F(WindowManagerTest, NewWindowBounds) {
   EXPECT_NE(work_area.ToString(),
             left_bounds.size().ToString());
 
+  // A new window should replace the left window when in split view.
   scoped_ptr<aura::Window> third(CreateWindow(&delegate));
   aura::client::ParentWindowWithContext(
       third.get(), ScreenManager::Get()->GetContext(), gfx::Rect());
-  EXPECT_NE(wm_api.GetSplitViewController()->left_window(), third.get());
+  EXPECT_EQ(wm_api.GetSplitViewController()->left_window(), third.get());
   EXPECT_EQ(left_bounds.ToString(), third->bounds().ToString());
-
-  third->Hide();
-  EXPECT_EQ(
-      left_bounds.ToString(),
-      wm_api.GetSplitViewController()->left_window()->bounds().ToString());
 }
 
 TEST_F(WindowManagerTest, SplitModeActivationByShortcut) {