Makes the maximize/restore button handling

chrome/browser/ui/views/frame/browser_non_client_frame_view_aura.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/views/frame/browser_non_client_frame_view_aura.h"
 
 #include "ash/wm/frame_painter.h"
+#include "ash/wm/workspace/frame_maximize_button.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/ui/views/frame/browser_frame.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/generated_resources.h"  // Accessibility names
 #include "grit/theme_resources.h"
 #include "grit/theme_resources_standard.h"
 #include "grit/ui_resources.h"
 #include "ui/base/accessibility/accessible_view_state.h"
 #include "ui/base/l10n/l10n_util.h"
@@ skipping 27 matching lines @@
       close_button_(NULL),
       window_icon_(NULL),
       frame_painter_(new ash::FramePainter) {
 }
 
 BrowserNonClientFrameViewAura::~BrowserNonClientFrameViewAura() {
 }
 
 void BrowserNonClientFrameViewAura::Init() {
   // Caption buttons.
-  maximize_button_ = new views::ImageButton(this);
+  maximize_button_ = new ash::FrameMaximizeButton(this);
   maximize_button_->SetAccessibleName(
       l10n_util::GetStringUTF16(IDS_ACCNAME_MAXIMIZE));
   AddChildView(maximize_button_);
   close_button_ = new views::ImageButton(this);
   close_button_->SetAccessibleName(
       l10n_util::GetStringUTF16(IDS_ACCNAME_CLOSE));
   AddChildView(close_button_);
 
   // Initializing the TabIconView is expensive, so only do it if we need to.
   if (browser_view()->ShouldShowWindowIcon()) {
@@ skipping 278 matching lines @@
 }
 
 SkBitmap* BrowserNonClientFrameViewAura::GetCustomBitmap(
     int bitmap_id,
     int fallback_bitmap_id) const {
   ui::ThemeProvider* tp = GetThemeProvider();
   if (tp->HasCustomImage(bitmap_id))
     return tp->GetBitmapNamed(bitmap_id);
   return tp->GetBitmapNamed(fallback_bitmap_id);
 }