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

chrome/browser/ui/panels/panel.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/panel.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "chrome/browser/ui/panels/docked_panel_strip.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 729 matching lines @@
   // activation may not have occurred. Also, some OSes (Windows) will
   // activate a minimized panel on mouse-down regardless of our attempts to
   // prevent system activation. Attention state is not cleared in that case.
   // See Panel::OnActiveStateChanged().
   // Therefore, we ensure activation and clearing of attention state here.
   // These are no-ops if no changes are needed.
   Activate();
   FlashFrame(false);
 }
 
+void Panel::OnMinimizeButtonClicked(panel::ClickModifier modifier) {
+  if (!panel_strip_)
+    return;
+
+  if (modifier == panel::APPLY_TO_ALL)
+    panel_strip_->MinimizeAll();
+  else
+    Minimize();
+}
+
+void Panel::OnRestoreButtonClicked(panel::ClickModifier modifier) {
+  if (!panel_strip_)
+    return;
+
+  if (modifier == panel::APPLY_TO_ALL)
+    panel_strip_->RestoreAll();
+  else
+    Restore();
+}
+
 void Panel::DestroyBrowser() {
   native_panel_->DestroyPanelBrowser();
 }