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..244ca46148093c74593938f8fe6197d05af57594 100644
--- a/chrome/browser/ui/views/frame/browser_view.cc
+++ b/chrome/browser/ui/views/frame/browser_view.cc
@@ -2690,14 +2690,32 @@ ExclusiveAccessManager* BrowserView::GetExclusiveAccessManager() {
   return browser_->exclusive_access_manager();
 }
 
-bool BrowserView::IsImmersiveModeEnabled() {
-  return immersive_mode_controller()->IsEnabled();
-}
-
 views::Widget* BrowserView::GetBubbleAssociatedWidget() {
   return GetWidget();
 }
 
+ui::AcceleratorProvider* BrowserView::GetAcceleratorProvider() {
+  return this;
+}
+
+gfx::NativeView BrowserView::GetBubbleParentView() 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();
+}
+
 gfx::Rect BrowserView::GetTopContainerBoundsInScreen() {
   return top_container_->GetBoundsInScreen();
 }