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

chrome/browser/ui/panels/panel_titlebar_view_cocoa.mm

 // 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.
 
 #import "chrome/browser/ui/panels/panel_titlebar_view_cocoa.h"
 
 #include <Carbon/Carbon.h>  // kVK_Escape
 #import <Cocoa/Cocoa.h>
 
 #include "base/logging.h"
@@ skipping 111 matching lines @@
   [[NSNotificationCenter defaultCenter] removeObserver:self];
   [self stopGlintAnimation];
   [super dealloc];
 }
 
 - (void)onCloseButtonClick:(id)sender {
   [controller_ closePanel];
 }
 
 - (void)onMinimizeButtonClick:(id)sender {
-  [controller_ minimizePanel:[[NSApp currentEvent] modifierFlags]];
+  [controller_ minimizeButtonClicked:[[NSApp currentEvent] modifierFlags]];
 }
 
 - (void)onRestoreButtonClick:(id)sender {
-  [controller_ restorePanel:[[NSApp currentEvent] modifierFlags]];
+  [controller_ restoreButtonClicked:[[NSApp currentEvent] modifierFlags]];
 }
 
 - (void)drawRect:(NSRect)rect {
   ThemeService* theme =
       static_cast<ThemeService*>([[self window] themeProvider]);
 
   [title_ setAlphaValue:1.0];
   [icon_ setAlphaValue:1.0];
 
   NSColor* strokeColor = nil;
@@ skipping 558 matching lines @@
 - (NSButton*)minimizeButton {
   return minimizeButton_;
 }
 
 - (NSButton*)restoreButton {
   return restoreButton_;
 }
 
 @end