GetExternalRootWindow  171 ash/touch/touch_observer_hud_unittest.cc     aura::Window* root = GetExternalRootWindow();
GetExternalRootWindow  241 ash/touch/touch_observer_hud_unittest.cc     EXPECT_EQ(GetExternalRootWindow(),
GetExternalRootWindow  243 ash/touch/touch_observer_hud_unittest.cc     EXPECT_EQ(GetExternalRootWindow(),