Enable revealing the top-of-window views in immersive fullscreen when the owning window is inactive

chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc

Index: chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc
diff --git a/chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc b/chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc
index 6dd4a514e7c2a10c9c90421ae49af0243e604c97..9d19ad92a68c68b0785d0c3d0ac64a3ef23ae562 100644
--- a/chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc
+++ b/chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc
@@ -1698,6 +1698,11 @@ IN_PROC_BROWSER_TEST_P(DetachToBrowserInSeparateDisplayTabDragControllerTest,
   EXPECT_EQ("0 100", IDString(browser2->tab_strip_model()));
   EXPECT_EQ("1", IDString(browser()->tab_strip_model()));
 
+  // Move the mouse off of browser2's top chrome.
+  aura::Window* primary_root = roots[0];
+  ASSERT_TRUE(ui_test_utils::SendMouseMoveSync(
+                  primary_root->GetBoundsInScreen().CenterPoint()));
+
   // The first browser window should not be in immersive fullscreen.
   // browser2 should still be in immersive fullscreen, but the top chrome should
   // no longer be revealed.