Add extension API to change window show state using chrome.windows.update().

chrome/browser/ui/cocoa/browser_window_cocoa.mm

 // Copyright (c) 2011 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/cocoa/browser_window_cocoa.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 239 matching lines @@
 }
 
 bool BrowserWindowCocoa::IsMaximized() const {
   return [window() isZoomed];
 }
 
 bool BrowserWindowCocoa::IsMinimized() const {
   return [window() isMiniaturized];
 }
 
+void BrowserWindowCocoa::Maximize() {
+  // Zoom toggles so only call if not already maximized.
+  if (!IsMaximized())
+    [window() zoom:controller_];
+}
+
+void BrowserWindowCocoa::Minimize() {
+  [window() miniaturize:controller_];
+}
+
+void BrowserWindowCocoa::Restore() {
+  if (IsMaximized())
+    [window() zoom:controller_];  // Toggles zoom mode.
+  else if (IsMinimized())
+    [window() deminiaturize:controller_];
+}
+
 void BrowserWindowCocoa::EnterFullscreen(
       const GURL& url, FullscreenExitBubbleType bubble_type) {
   [controller_ enterFullscreenForURL:url
                           bubbleType:bubble_type];
 }
 
 void BrowserWindowCocoa::ExitFullscreen() {
   [controller_ exitFullscreen];
 }
 
@@ skipping 343 matching lines @@
   AvatarMenuBubbleController* menu =
       [[AvatarMenuBubbleController alloc] initWithBrowser:browser_
                                                anchoredAt:point];
   [[menu bubble] setAlignment:info_bubble::kAlignEdgeToAnchorEdge];
   [menu showWindow:nil];
 }
 
 void BrowserWindowCocoa::ShowAvatarBubbleFromAvatarButton() {
   [[controller_ avatarButtonController] showAvatarBubble];
 }