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

 // Copyright (c) 2012 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 "chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.h"
 
 #include "ash/wm/window_state.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
@@ skipping 1680 matching lines @@
   ASSERT_FALSE(tab_strip2->IsImmersiveStyle());
 
   // Release the mouse, stopping the drag session.
   ASSERT_TRUE(ReleaseInput());
   ASSERT_FALSE(tab_strip2->IsDragSessionActive());
   ASSERT_FALSE(tab_strip->IsDragSessionActive());
   ASSERT_FALSE(TabDragController::IsActive());
   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.
   BrowserView* browser_view = BrowserView::GetBrowserViewForBrowser(browser());
   EXPECT_FALSE(browser_view->immersive_mode_controller()->IsEnabled());
 
   EXPECT_TRUE(immersive_controller2->IsEnabled());
   EXPECT_FALSE(immersive_controller2->IsRevealed());
   EXPECT_TRUE(tab_strip2->IsImmersiveStyle());
 }
@@ skipping 468 matching lines @@
                         DetachToDockedTabDragControllerTest,
                         ::testing::Values("mouse", "mouse docked"));
 INSTANTIATE_TEST_CASE_P(TabDragging,
                         DetachToBrowserTabDragControllerTestTouch,
                         ::testing::Values("touch", "touch docked"));
 #else
 INSTANTIATE_TEST_CASE_P(TabDragging,
                         DetachToBrowserTabDragControllerTest,
                         ::testing::Values("mouse"));
 #endif