Move full-screen detection logic from PanelManager to DisplaySettingsProvider.

chrome/browser/ui/panels/panel.cc

Index: chrome/browser/ui/panels/panel.cc
diff --git a/chrome/browser/ui/panels/panel.cc b/chrome/browser/ui/panels/panel.cc
index c586dcd2651dda88c6bd9a506a8cf1f854097104..4602896bf3db52552d2eb790d116e3772d42ead4 100644
--- a/chrome/browser/ui/panels/panel.cc
+++ b/chrome/browser/ui/panels/panel.cc
@@ -235,7 +235,7 @@ void Panel::FullScreenModeChanged(bool is_full_screen) {
 }
 
 void Panel::Show() {
-  if (manager()->is_full_screen() || !panel_strip_)
+  if (manager()->display_settings_provider()->is_full_screen() || !panel_strip_)
     return;
 
   if (panel_strip_->CanShowPanelAsActive(this))
@@ -245,7 +245,7 @@ void Panel::Show() {
 }
 
 void Panel::ShowInactive() {
-  if (manager()->is_full_screen() || !panel_strip_)
+  if (manager()->display_settings_provider()->is_full_screen() || !panel_strip_)
     return;
 
   native_panel_->ShowPanelInactive();