Enable showing the toolkit-views simplified fullscreen UI on Mac.

chrome/browser/ui/views/frame/browser_view.cc

Index: chrome/browser/ui/views/frame/browser_view.cc
diff --git a/chrome/browser/ui/views/frame/browser_view.cc b/chrome/browser/ui/views/frame/browser_view.cc
index c76685e967fe37d90a7e04df2c63d5caaf8d1b37..b42c88ec3e50128e79f15599f393c94b9c413ecd 100644
--- a/chrome/browser/ui/views/frame/browser_view.cc
+++ b/chrome/browser/ui/views/frame/browser_view.cc
@@ -2690,6 +2690,21 @@ ExclusiveAccessManager* BrowserView::GetExclusiveAccessManager() {
   return browser_->exclusive_access_manager();
 }
 
+
+gfx::NativeView BrowserView::GetParentView() const {
+  return GetWidget()->GetNativeView();
+}
+
+gfx::Point BrowserView::GetCursorPointInParent() const {
+  gfx::Point cursor_pos = gfx::Screen::GetScreen()->GetCursorScreenPoint();
+  views::View::ConvertPointFromScreen(GetWidget()->GetRootView(), &cursor_pos);
+  return cursor_pos;
+}
+
+gfx::Rect BrowserView::GetClientAreaBoundsInScreen() const {
+  return GetWidget()->GetClientAreaBoundsInScreen();
+}
+
 bool BrowserView::IsImmersiveModeEnabled() {
   return immersive_mode_controller()->IsEnabled();
 }