arc: Prevent showing Arc app window for secondary user profile.

components/exo/shell_surface.cc

Index: components/exo/shell_surface.cc
diff --git a/components/exo/shell_surface.cc b/components/exo/shell_surface.cc
index 6248a27c13212c96588327d4db216d9844e79d12..0181bf1bba2303004d059741240a87ddb00a8c99 100644
--- a/components/exo/shell_surface.cc
+++ b/components/exo/shell_surface.cc
@@ -253,6 +253,7 @@ ShellSurface::ScopedAnimationsDisabled::~ScopedAnimationsDisabled() {
 
 DEFINE_LOCAL_WINDOW_PROPERTY_KEY(std::string*, kApplicationIdKey, nullptr)
 DEFINE_LOCAL_WINDOW_PROPERTY_KEY(Surface*, kMainSurfaceKey, nullptr)
+DEFINE_LOCAL_WINDOW_PROPERTY_KEY(bool, kShelfWindowReady, false)
 
 ShellSurface::ShellSurface(Surface* surface,
                            ShellSurface* parent,
@@ -463,6 +464,16 @@ const std::string ShellSurface::GetApplicationId(aura::Window* window) {
   return string_ptr ? *string_ptr : std::string();
 }
 
+// static
+bool ShellSurface::IsApplicationWindowReadyPropertyKey(const void* key) {
+  return kShelfWindowReady == key;
+}
+
+// static
+bool ShellSurface::IsApplicationWindowReadyToShow(aura::Window* window) {
+  return window->GetProperty(kShelfWindowReady);
+}
+
 void ShellSurface::SetApplicationId(const std::string& application_id) {
   TRACE_EVENT1("exo", "ShellSurface::SetApplicationId", "application_id",
                application_id);
@@ -622,8 +633,9 @@ void ShellSurface::OnSurfaceCommit() {
     if (pending_show_widget_) {
       DCHECK(!widget_->IsClosed());
       DCHECK(!widget_->IsVisible());
+      DCHECK(!widget_->GetNativeWindow());
       pending_show_widget_ = false;
-      widget_->Show();
+      widget_->GetNativeWindow()->SetProperty(kShelfWindowReady, true);
     }
   }
 }