Fix panel showing logic when Chrome enters the fullscreen mode

chrome/browser/ui/panels/docked_panel_collection.cc

 // Copyright (c) 2012 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/docked_panel_collection.h"
 
 #include <math.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 626 matching lines @@
 
   DoBringUpOrDownTitlebars(delayed_titlebar_action_ == BRING_UP);
   delayed_titlebar_action_ = NO_ACTION;
 }
 
 void DockedPanelCollection::OnAutoHidingDesktopBarThicknessChanged(
     DisplaySettingsProvider::DesktopBarAlignment alignment, int thickness) {
   RefreshLayout();
 }
 
-void DockedPanelCollection::OnFullScreenModeChanged(bool is_full_screen) {
-  for (Panels::const_iterator iter = panels_.begin();
-       iter != panels_.end(); ++iter) {
-    (*iter)->FullScreenModeChanged(is_full_screen);
-  }
-}
-
 void DockedPanelCollection::RefreshLayout() {
   int total_active_width = 0;
   int total_inactive_width = 0;
 
   for (Panels::const_iterator panel_iter = panels_.begin();
        panel_iter != panels_.end(); ++panel_iter) {
     Panel* panel = *panel_iter;
     if (panel->IsActive())
       total_active_width += panel->full_size().width();
     else
@@ skipping 121 matching lines @@
 void DockedPanelCollection::OnPanelActiveStateChanged(Panel* panel) {
   // Refresh layout, but wait till active states settle.
   // This lets us avoid refreshing too many times when one panel loses
   // focus and another gains it.
   ScheduleLayoutRefresh();
 }
 
 bool DockedPanelCollection::HasPanel(Panel* panel) const {
   return find(panels_.begin(), panels_.end(), panel) != panels_.end();
 }