Add panel overflow logic to panel strip.

chrome/browser/ui/panels/panel_manager.cc

Index: chrome/browser/ui/panels/panel_manager.cc
diff --git a/chrome/browser/ui/panels/panel_manager.cc b/chrome/browser/ui/panels/panel_manager.cc
index ae5bbe22801b42eaf74ecd6ded6ad688ff0ced65..93eb80ad9df1e13b3c6fbe6b46ecb31a04ccbd50 100644
--- a/chrome/browser/ui/panels/panel_manager.cc
+++ b/chrome/browser/ui/panels/panel_manager.cc
@@ -76,7 +76,7 @@ void PanelManager::Layout() {
   panel_strip_bounds.set_width(adjusted_work_area_.width() -
                                kPanelStripLeftMargin - kPanelStripRightMargin);
   panel_strip_bounds.set_height(height);
-  panel_strip_->SetBounds(panel_strip_bounds);
+  panel_strip_->SetDisplayArea(panel_strip_bounds);
 }
 
 Panel* PanelManager::CreatePanel(Browser* browser) {
@@ -103,13 +103,6 @@ void PanelManager::Remove(Panel* panel) {
   // TODO(jianli): else try removing from overflow strip
 }
 
-void PanelManager::OnPanelRemoved(Panel* panel) {
-  content::NotificationService::current()->Notify(
-      chrome::NOTIFICATION_PANEL_REMOVED,
-      content::Source<Panel>(panel),
-      content::NotificationService::NoDetails());
-}
-
 void PanelManager::StartDragging(Panel* panel) {
   panel_strip_->StartDragging(panel);
 }