Fix the problem that notifications and panels overlap.

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 26a3fe01328740073a73017a2e7f4d87a4ddbf52..a1e02f470edf148110feaf518f38f968b8c7bd9c 100644
--- a/chrome/browser/ui/panels/panel_manager.h
+++ b/chrome/browser/ui/panels/panel_manager.h
@@ -75,6 +75,8 @@ class PanelManager : public PanelMouseWatcher::Observer,
 
   int num_panels() const { return panels_.size(); }
   bool is_dragging_panel() const;
+  const Panels& panels() const { return panels_; }
+  static int horizontal_spacing() { return kPanelsHorizontalSpacing; }
 
   int GetMaxPanelWidth() const;
   int GetMaxPanelHeight() const;
@@ -84,9 +86,6 @@ class PanelManager : public PanelMouseWatcher::Observer,
   virtual void OnMouseMove(const gfx::Point& mouse_position) OVERRIDE;
 
 #ifdef UNIT_TEST
-  const Panels& panels() const { return panels_; }
-  static int horizontal_spacing() { return kPanelsHorizontalSpacing; }
-
   const gfx::Rect& work_area() const {
     return work_area_;
   }