Add key modifier on minimize/restore button click to minimize/restore all Panels for Mac.

chrome/browser/ui/panels/detached_panel_strip.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/detached_panel_strip.h"
 
 #include <algorithm>
 #include "base/logging.h"
 #include "chrome/browser/ui/panels/panel_drag_controller.h"
 #include "chrome/browser/ui/panels/panel_manager.h"
@@ skipping 92 matching lines @@
   // Detached panels do not minimize. However, extensions may call this API
   // regardless of which strip the panel is in. So we just quietly return.
 }
 
 void DetachedPanelStrip::RestorePanel(Panel* panel) {
   DCHECK_EQ(this, panel->panel_strip());
   // Detached panels do not minimize. However, extensions may call this API
   // regardless of which strip the panel is in. So we just quietly return.
 }
 
+void DetachedPanelStrip::MinimizeAll() {
+  // Detached panels do not minimize.
+  NOTREACHED();
+}
+
+void DetachedPanelStrip::RestoreAll() {
+  // Detached panels do not minimize.
+  NOTREACHED();
+}
+
 bool DetachedPanelStrip::CanMinimizePanel(const Panel* panel) const {
   DCHECK_EQ(this, panel->panel_strip());
   // Detached panels do not minimize.
   return false;
 }
 
 bool DetachedPanelStrip::IsPanelMinimized(const Panel* panel) const {
   DCHECK_EQ(this, panel->panel_strip());
   // Detached panels do not minimize.
   return false;
@@ skipping 61 matching lines @@
   panel->set_attention_mode(
       static_cast<Panel::AttentionMode>(Panel::USE_PANEL_ATTENTION |
                                         Panel::USE_SYSTEM_ATTENTION));
   panel->SetAlwaysOnTop(false);
   panel->EnableResizeByMouse(true);
 }
 
 void DetachedPanelStrip::OnPanelActiveStateChanged(Panel* panel) {
 }