Adding split view divider widget.

athena/wm/window_manager_unittest.cc

 // Copyright 2014 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 "athena/wm/public/window_manager.h"
 
 #include "athena/screen/public/screen_manager.h"
 #include "athena/test/athena_test_base.h"
 #include "athena/wm/public/window_list_provider.h"
 #include "athena/wm/split_view_controller.h"
@@ skipping 300 matching lines @@
 
   scoped_ptr<aura::Window> w2(CreateAndShowWindow(&delegate));
   w2->Show();
 
   generator.PressKey(ui::VKEY_F6, ui::EF_CONTROL_DOWN);
   generator.ReleaseKey(ui::VKEY_F6, ui::EF_CONTROL_DOWN);
   EXPECT_TRUE(wm_api.GetSplitViewController()->IsSplitViewModeActive());
   int width =
       gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().work_area().width();
 
-  EXPECT_EQ(width / 2, w1->bounds().width());
-  EXPECT_EQ(width / 2, w2->bounds().width());
+  EXPECT_EQ(w1->bounds().width(), w2->bounds().width());
+  EXPECT_GE(width / 2, w1->bounds().width());
 
   // Toggle back to normal mode.
   generator.PressKey(ui::VKEY_F6, ui::EF_CONTROL_DOWN);
   generator.ReleaseKey(ui::VKEY_F6, ui::EF_CONTROL_DOWN);
   EXPECT_FALSE(wm_api.GetSplitViewController()->IsSplitViewModeActive());
 
   EXPECT_EQ(width, w1->bounds().width());
   EXPECT_EQ(width, w2->bounds().width());
 }
 
@@ skipping 15 matching lines @@
   WindowOverviewModeDelegate* overview_delegate = wm_api.wm();
   overview_delegate->OnSelectWindow(w1.get());
   EXPECT_FALSE(wm_api.GetSplitViewController()->IsSplitViewModeActive());
   EXPECT_TRUE(w1->IsVisible());
   // Make sure the windows that were in split-view mode are hidden.
   EXPECT_FALSE(w2->IsVisible());
   EXPECT_FALSE(w3->IsVisible());
 }
 
 }  // namespace athena