Make panels not show on top when there is an app running in full screen mode.

chrome/browser/ui/panels/panel_browser_window_cocoa.mm

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/panels/panel_browser_window_cocoa.h"
 
 #include "base/logging.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
@@ skipping 229 matching lines @@
 }
 
 void PanelBrowserWindowCocoa::HandlePanelKeyboardEvent(
     const NativeWebKeyboardEvent& event) {
   if ([BrowserWindowUtils shouldHandleKeyboardEvent:event]) {
     [BrowserWindowUtils handleKeyboardEvent:event.os_event
                                    inWindow:GetNativePanelHandle()];
   }
 }
 
+void PanelBrowserWindowCocoa::FullScreenModeChanged(
+    bool is_full_screen) {
+  [controller_ fullScreenModeChanged:is_full_screen];
+}
+
 Browser* PanelBrowserWindowCocoa::GetPanelBrowser() const {
   return browser();
 }
 
 void PanelBrowserWindowCocoa::DestroyPanelBrowser() {
   [controller_ close];
 }
 
 gfx::Size PanelBrowserWindowCocoa::IconOnlySize() const {
   // TODO(dimich): to be implemented.
@@ skipping 107 matching lines @@
   return false;
 }
 
 bool NativePanelTestingCocoa::IsWindowSizeKnown() const {
   return true;
 }
 
 bool NativePanelTestingCocoa::IsAnimatingBounds() const {
   return [native_panel_window_->controller_ isAnimatingBounds];
 }