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

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

Index: chrome/browser/ui/views/frame/app_non_client_frame_view_ash.cc
diff --git a/chrome/browser/ui/views/frame/app_non_client_frame_view_ash.cc b/chrome/browser/ui/views/frame/app_non_client_frame_view_ash.cc
index b179f68f0d93bd341ad748b468f715c474d8adb3..89f4dabf4f07605c3e9dafbcc65b3f8b06a90f19 100644
--- a/chrome/browser/ui/views/frame/app_non_client_frame_view_ash.cc
+++ b/chrome/browser/ui/views/frame/app_non_client_frame_view_ash.cc
@@ -119,7 +119,7 @@ AppNonClientFrameViewAsh::AppNonClientFrameViewAsh(
       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);