Mac: Added a delay before panels go to minimized state from title-only state.

chrome/browser/ui/panels/panel_manager.h

Index: chrome/browser/ui/panels/panel_manager.h
diff --git a/chrome/browser/ui/panels/panel_manager.h b/chrome/browser/ui/panels/panel_manager.h
index b419c8f91116cf1955e58a794e86f0fa770af259..a782b3f0da2f50b1b8a57e3c2554c7fbc975fa87 100644
--- a/chrome/browser/ui/panels/panel_manager.h
+++ b/chrome/browser/ui/panels/panel_manager.h
@@ -101,6 +101,10 @@ class PanelManager : public PanelMouseWatcher::Observer,
     SetWorkArea(work_area);
   }
 
+  void reduce_delays_for_testing() {
+    reduced_delays_for_testing_ = true;
+  }
+
   int minimized_panel_count() {
     return minimized_panel_count_;
   }
@@ -152,11 +156,6 @@ class PanelManager : public PanelMouseWatcher::Observer,
   void DragLeft();
   void DragRight();
 
-  // Checks if the titlebars have been brought up or down. If not, do not wait
-  // for the notifications to trigger it any more, and start to bring them up or
-  // down immediately.
-  void DelayedBringUpOrDownTitlebarsCheck();
-
   // Does the real job of bringing up or down the titlebars.
   void DoBringUpOrDownTitlebars(bool bring_up);
 
@@ -201,9 +200,13 @@ class PanelManager : public PanelMouseWatcher::Observer,
 
   scoped_refptr<AutoHidingDesktopBar> auto_hiding_desktop_bar_;
 
+  // Delayed transitions support. Sometimes transitions between minimized and
+  // title-only states are delayed, for better usability with Taskbars/Docks.
   TitlebarAction delayed_titlebar_action_;
-
+  bool reduced_delays_for_testing_;
+  static int s_last_task_index;
   ScopedRunnableMethodFactory<PanelManager> method_factory_;
+  void DelayedBringUpOrDownTitlebarsCheck(int task_index);

[jianli, 2011/10/28 21:31:33]

This method should stay with all other methods.

[Dmitry Titov, 2011/10/29 00:04:56]

Done.

 
   // Whether or not bounds will be updated when the preferred content size is
   // changed. The testing code could set this flag to false so that other tests