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

chrome/browser/ui/views/frame/browser_view.cc

 // 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/views/frame/browser_view.h"
 
 #if defined(TOOLKIT_USES_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 753 matching lines @@
 }
 
 bool BrowserView::IsMaximized() const {
   return frame_->IsMaximized();
 }
 
 bool BrowserView::IsMinimized() const {
   return frame_->IsMinimized();
 }
 
+void BrowserView::Maximize() {
+  frame_->Maximize();
+}
+
+void BrowserView::Minimize() {
+  frame_->Minimize();
+}
+
+void BrowserView::Restore() {
+  frame_->Restore();
+}
+
 void BrowserView::EnterFullscreen(
     const GURL& url, FullscreenExitBubbleType bubble_type) {
   if (IsFullscreen())
     return;  // Nothing to do.
 
 #if defined(OS_WIN) || defined(USE_AURA)
   ProcessFullscreen(true, url, bubble_type);
 #else
   // On Linux/gtk changing fullscreen is async. Ask the window to change it's
   // fullscreen state, and when done invoke ProcessFullscreen.
@@ skipping 1820 matching lines @@
   Bubble::Show(this->GetWidget(), bounds, views::BubbleBorder::TOP_RIGHT,
                views::BubbleBorder::ALIGN_EDGE_TO_ANCHOR_EDGE,
                bubble_view, bubble_view);
 }
 
 void BrowserView::ShowAvatarBubbleFromAvatarButton() {
   AvatarMenuButton* button = frame_->GetAvatarMenuButton();
   if (button)
     button->ShowAvatarBubble();
 }