[Refactor] Cache the views::Widget* that the FrameMaximizeButton acts on

chrome/browser/ui/views/frame/app_non_client_frame_view_ash.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/app_non_client_frame_view_ash.h"
 
 #include "ash/wm/caption_buttons/frame_caption_button_container_view.h"
 #include "base/i18n/rtl.h"
 #include "chrome/browser/ui/views/frame/browser_frame.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
@@ skipping 101 matching lines @@
 // static
 const char AppNonClientFrameViewAsh::kControlWindowName[] =
     "AppNonClientFrameViewAshControls";
 
 AppNonClientFrameViewAsh::AppNonClientFrameViewAsh(
     BrowserFrame* frame, BrowserView* browser_view)
     : BrowserNonClientFrameView(frame, browser_view),
       control_view_(NULL),
       control_widget_(NULL),
       frame_observer_(new FrameObserver(this)) {
-  control_view_ = new ash::FrameCaptionButtonContainerView(this, frame,
+  control_view_ = new ash::FrameCaptionButtonContainerView(frame,
       ash::FrameCaptionButtonContainerView::MINIMIZE_ALLOWED);
   control_view_->set_header_style(
       ash::FrameCaptionButtonContainerView::HEADER_STYLE_MAXIMIZED_HOSTED_APP);
   control_view_->set_border(new ControlViewBorder());
   control_view_->set_background(new ControlViewBackground(
       browser_view->IsOffTheRecord()));
 
   // This FrameView is always maximized so we don't want the window to have
   // resize borders.
   frame->GetNativeView()->set_hit_test_bounds_override_inner(gfx::Insets());
@@ skipping 94 matching lines @@
       base::i18n::IsRTL() ? 0 : (width() - preferred.width()), 0,
       preferred.width(), preferred.height());
 }
 
 void AppNonClientFrameViewAsh::CloseControlWidget() {
   if (control_widget_) {
     control_widget_->Close();
     control_widget_ = NULL;
   }
 }