Moves CustomFrameViewAsh to common

ash/frame/frame_border_hit_test_controller.cc

Index: ash/frame/frame_border_hit_test_controller.cc
diff --git a/ash/frame/frame_border_hit_test_controller.cc b/ash/frame/frame_border_hit_test_controller.cc
deleted file mode 100644
index e3c090be5897f5805dfaa021fc8b62cda2c828ba..0000000000000000000000000000000000000000
--- a/ash/frame/frame_border_hit_test_controller.cc
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright 2013 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 "ash/frame/frame_border_hit_test_controller.h"
-
-#include <memory>
-
-#include "ash/wm/resize_handle_window_targeter.h"
-#include "ui/aura/window.h"
-#include "ui/views/widget/widget.h"
-
-namespace ash {
-
-FrameBorderHitTestController::FrameBorderHitTestController(views::Widget* frame)
-    : frame_window_(frame->GetNativeWindow()) {
-  frame_window_->SetEventTargeter(std::unique_ptr<ui::EventTargeter>(
-      new ResizeHandleWindowTargeter(frame_window_, NULL)));
-}
-
-FrameBorderHitTestController::~FrameBorderHitTestController() {}
-
-}  // namespace ash