Allow updating arc widget bounds in maximize/fullscreen state.

components/exo/shell_surface_unittest.cc

 // Copyright 2015 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/aura/wm_window_aura.h"
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm/wm_event.h"
 #include "ash/common/wm_shell.h"
 #include "ash/wm/window_state_aura.h"
@@ skipping 515 matching lines @@
   // Shadow overlay bounds.
   EXPECT_TRUE(shadow->layer()->visible());
   // Origin must be in sync.
   EXPECT_EQ(expected_shadow_origin,
             shadow->layer()->parent()->bounds().origin());
 
   const gfx::Rect work_area =
       display::Screen::GetScreen()->GetPrimaryDisplay().work_area();
   // Maximizing window hides the shadow.
   widget->Maximize();
-  ASSERT_EQ(work_area, window->bounds());
+  ASSERT_TRUE(widget->IsMaximized());
   EXPECT_FALSE(shadow->layer()->visible());
 
   shell_surface->SetRectangularShadow(work_area);
   surface->Commit();
   EXPECT_FALSE(shadow->layer()->visible());
 
   // Restoring bounds will re-enable shadow. It's content size is set to work
   // area,/ thus not visible until new bounds is committed.
   widget->Restore();
   EXPECT_TRUE(shadow->layer()->visible());
@@ skipping 95 matching lines @@
   // Leave fullscreen mode.
   window->GetWindowState()->OnWMEvent(&event);
 
   // Check that shell surface is maximized.
   EXPECT_EQ(CurrentContext()->bounds().width(),
             shell_surface->GetWidget()->GetWindowBoundsInScreen().width());
 }
 
 }  // namespace
 }  // namespace exo