Allow to create ARC++ windows minimized on startup.

components/exo/shell_surface_unittest.cc

Index: components/exo/shell_surface_unittest.cc
diff --git a/components/exo/shell_surface_unittest.cc b/components/exo/shell_surface_unittest.cc
index 575dafc6d6f9d26540c2bc94ec67a8651d594d87..3543d762b4e884d6fa04bb98429c5fab8a7cc17e 100644
--- a/components/exo/shell_surface_unittest.cc
+++ b/components/exo/shell_surface_unittest.cc
@@ -132,6 +132,17 @@ TEST_F(ShellSurfaceTest, 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(