Refactor: Untangle Mac's ExclusiveAccessContext from BrowserWindow

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 adad05ad27d2e48b7bbb3ca873e4a4975b84ee14..4ab99e10a58e6b64d98837df78a5deeee316d0fa 100644
--- a/chrome/browser/ui/views/frame/browser_view.cc
+++ b/chrome/browser/ui/views/frame/browser_view.cc
@@ -1034,28 +1034,6 @@ bool BrowserView::IsFullscreenBubbleVisible() const {
   return exclusive_access_bubble_ != nullptr;
 }
 
-bool BrowserView::SupportsFullscreenWithToolbar() const {
-  return false;
-}
-
-void BrowserView::UpdateFullscreenWithToolbar(bool with_toolbar) {
-  // This is currently a Mac only feature.
-  NOTIMPLEMENTED();
-}
-
-void BrowserView::ToggleFullscreenToolbar() {
-  // This is currently a Mac only feature.
-  NOTIMPLEMENTED();
-}
-
-bool BrowserView::IsFullscreenWithToolbar() const {
-  return false;
-}
-
-bool BrowserView::ShouldHideFullscreenToolbar() const {
-  return false;
-}
-
 #if defined(OS_WIN)
 void BrowserView::SetMetroSnapMode(bool enable) {
   LOCAL_HISTOGRAM_COUNTS("Metro.SnapModeToggle", enable);