Allow to create ARC++ windows minimized on startup.

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/accessibility_delegate.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm/wm_event.h"
 #include "ash/common/wm_shell.h"
 #include "ash/public/cpp/shell_window_ids.h"
@@ skipping 114 matching lines @@
       new Buffer(exo_test_helper()->CreateGpuMemoryBuffer(buffer_size)));
   std::unique_ptr<Surface> surface(new Surface);
   std::unique_ptr<ShellSurface> shell_surface(new ShellSurface(surface.get()));
 
   surface->Attach(buffer.get());
   surface->Commit();
   shell_surface->Minimize();
   EXPECT_TRUE(shell_surface->GetWidget()->IsMinimized());
 }
 
+TEST_F(ShellSurfaceTest, Minimize_BeforeSurfaceCommit) {

[reveman, 2016/11/22 08:26:49]

nit: s/Minimize_BeforeSurfaceCommit/InitiallyMinimized/ or alternatively fold it
into the "Minimize" test above

[mtomasz, 2016/11/22 08:39:34]

Done.

+  gfx::Size buffer_size(256, 256);
+  std::unique_ptr<Buffer> buffer(

[reveman, 2016/11/22 08:26:48]

Can you attach this buffer and commit after calling minimize to ensure that this
doesn't reset the state?

[mtomasz, 2016/11/22 08:39:34]

Done.

+      new Buffer(exo_test_helper()->CreateGpuMemoryBuffer(buffer_size)));
+  std::unique_ptr<Surface> surface(new Surface);
+  std::unique_ptr<ShellSurface> shell_surface(new ShellSurface(surface.get()));
+
+  shell_surface->Minimize();
+  EXPECT_TRUE(shell_surface->GetWidget()->IsMinimized());
+}
+
 TEST_F(ShellSurfaceTest, Restore) {
   gfx::Size buffer_size(256, 256);
   std::unique_ptr<Buffer> buffer(
       new Buffer(exo_test_helper()->CreateGpuMemoryBuffer(buffer_size)));
   std::unique_ptr<Surface> surface(new Surface);
   std::unique_ptr<ShellSurface> shell_surface(new ShellSurface(surface.get()));
 
   surface->Attach(buffer.get());
   surface->Commit();
   // Note: Remove contents to avoid issues with maximize animations in tests.
@@ skipping 662 matching lines @@
   shell_surface.OnAccessibilityModeChanged();
   shell_surface2.OnAccessibilityModeChanged();
 
   EXPECT_TRUE(shell_surface.shadow_underlay()->IsVisible());
   EXPECT_EQ(shadow_bounds, shell_surface.shadow_underlay()->bounds());
   EXPECT_EQ(shadow_bounds, shell_surface2.shadow_underlay()->bounds());
 }
 
 }  // namespace
 }  // namespace exo