Implement fullscreen info bubble on Win and Mac

chrome/browser/ui/gtk/browser_window_gtk.cc

Index: chrome/browser/ui/gtk/browser_window_gtk.cc
diff --git a/chrome/browser/ui/gtk/browser_window_gtk.cc b/chrome/browser/ui/gtk/browser_window_gtk.cc
index a0c1b50704701dacd8920daf320b8158010aeba2..32b59932dcfac8cf2b8cd60375ae207aac083f95 100644
--- a/chrome/browser/ui/gtk/browser_window_gtk.cc
+++ b/chrome/browser/ui/gtk/browser_window_gtk.cc
@@ -687,7 +687,7 @@ void BrowserWindowGtk::SetBoundsImpl(const gfx::Rect& bounds,
 
 void BrowserWindowGtk::SetBounds(const gfx::Rect& bounds) {
   if (IsFullscreen())
-    SetFullscreen(false);
+    SetFullscreen(false, GURL(), false);
   SetBoundsImpl(bounds, true, true);
 }
 
@@ -849,11 +849,20 @@ bool BrowserWindowGtk::ShouldDrawContentDropShadow() {
   return !IsMaximized() && UseCustomFrame();
 }
 
-void BrowserWindowGtk::SetFullscreen(bool fullscreen) {
+void BrowserWindowGtk::SetFullscreen(bool fullscreen, const GURL& url, bool show_buttons) {
   // gtk_window_(un)fullscreen asks the window manager to toggle the EWMH
   // for fullscreen windows.  Not all window managers support this.
   if (fullscreen) {
     gtk_window_fullscreen(window_);
+    bool is_kiosk =
+        CommandLine::ForCurrentProcess()->HasSwitch(switches::kKioskMode);
+    if (!is_kiosk) {
+      fullscreen_exit_bubble_.reset(new FullscreenExitBubbleGtk(
+          GTK_FLOATING_CONTAINER(render_area_floating_container_),
+          browser(),
+          url,
+          show_buttons));
+    }
   } else {
     // Work around a bug where if we try to unfullscreen, metacity immediately
     // fullscreens us again.  This is a little flickery and not necessary if