Panel Overflow on Mac.

chrome/browser/ui/panels/panel_window_controller_cocoa.mm

Index: chrome/browser/ui/panels/panel_window_controller_cocoa.mm
diff --git a/chrome/browser/ui/panels/panel_window_controller_cocoa.mm b/chrome/browser/ui/panels/panel_window_controller_cocoa.mm
index b4f0e6d263a61287cf050565300c00b929d1067f..40f7c74c705a09684ced12335820956283aed336 100644
--- a/chrome/browser/ui/panels/panel_window_controller_cocoa.mm
+++ b/chrome/browser/ui/panels/panel_window_controller_cocoa.mm
@@ -26,7 +26,6 @@
 #import "chrome/browser/ui/cocoa/tab_contents/favicon_util.h"
 #import "chrome/browser/ui/cocoa/tab_contents/tab_contents_controller.h"
 #import "chrome/browser/ui/cocoa/tabs/throbber_view.h"
-#include "chrome/browser/ui/panels/panel.h"
 #include "chrome/browser/ui/panels/panel_bounds_animation.h"
 #include "chrome/browser/ui/panels/panel_browser_window_cocoa.h"
 #include "chrome/browser/ui/panels/panel_manager.h"
@@ -535,6 +534,17 @@ enum {
   return NSHeight([titlebar convertRect:[titlebar bounds] toView:nil]);
 }
 
+- (int)titlebarIconOnlyWidthInScreenCoordinates {
+  return [[self titlebarView] iconOnlyWidthInScreenCoordinates];
+}
+
+- (void)applyVisualStyleForStrip:(PanelStripType)newPanelStrip {
+  if (windowShim_->panel()->manager()->is_full_screen())
+    return;
+  [[self window] setLevel:(newPanelStrip == OVERFLOW_STRIP ?
+      NSStatusWindowLevel + 1 : NSStatusWindowLevel)];
+}
+
 // TODO(dcheng): These two selectors are almost copy-and-paste from
 // BrowserWindowController. Figure out the appropriate way of code sharing,
 // whether it's refactoring more things into BrowserWindowUtils or making a