Revert 262516 "Remove title and icon from chrome apps native style title bars."

chrome/browser/ui/views/apps/app_window_desktop_window_tree_host_win.h

Index: chrome/browser/ui/views/apps/app_window_desktop_window_tree_host_win.h
diff --git a/chrome/browser/ui/views/apps/app_window_desktop_window_tree_host_win.h b/chrome/browser/ui/views/apps/app_window_desktop_window_tree_host_win.h
deleted file mode 100644
index 3763b4c748b7e03902acd9a7e043b0ae462ee227..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/views/apps/app_window_desktop_window_tree_host_win.h
+++ /dev/null
@@ -1,44 +0,0 @@
-// Copyright 2014 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.
-
-#ifndef CHROME_BROWSER_UI_VIEWS_APPS_APP_WINDOW_DESKTOP_WINDOW_TREE_HOST_WIN_H_
-#define CHROME_BROWSER_UI_VIEWS_APPS_APP_WINDOW_DESKTOP_WINDOW_TREE_HOST_WIN_H_
-
-#include "ui/views/widget/desktop_aura/desktop_window_tree_host_win.h"
-
-namespace views {
-class DesktopNativeWidgetAura;
-}
-
-class ChromeNativeAppWindowViewsWin;
-
-// AppWindowDesktopWindowTreeHostWin handles updating the glass of app frames on
-// Windows. It is used for all desktop app windows on Windows, but is only
-// actively doing anything when a glass window frame is being used.
-class AppWindowDesktopWindowTreeHostWin
-    : public views::DesktopWindowTreeHostWin {
- public:
-  AppWindowDesktopWindowTreeHostWin(
-      ChromeNativeAppWindowViewsWin* app_window,
-      views::DesktopNativeWidgetAura* desktop_native_widget_aura);
-  virtual ~AppWindowDesktopWindowTreeHostWin();
-
- private:
-  // Overridden from DesktopWindowTreeHostWin:
-  virtual bool GetClientAreaInsets(gfx::Insets* insets) const OVERRIDE;
-  virtual void HandleFrameChanged() OVERRIDE;
-  virtual void PostHandleMSG(UINT message,
-                             WPARAM w_param,
-                             LPARAM l_param) OVERRIDE;
-
-  // Updates the glass frame area by calling the DwmExtendFrameIntoClientArea
-  // Windows function.
-  void UpdateDWMFrame();
-
-  ChromeNativeAppWindowViewsWin* app_window_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppWindowDesktopWindowTreeHostWin);
-};
-
-#endif  // CHROME_BROWSER_UI_VIEWS_APPS_APP_WINDOW_DESKTOP_WINDOW_TREE_HOST_WIN_H_