Remove web_app_ui.[cc|h].

chrome/browser/ui/web_applications/web_app_ui.h

-// 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.
-
-#ifndef CHROME_BROWSER_UI_WEB_APPLICATIONS_WEB_APP_UI_H_
-#define CHROME_BROWSER_UI_WEB_APPLICATIONS_WEB_APP_UI_H_
-
-#include <vector>
-
-#include "chrome/browser/shell_integration.h"
-
-namespace content {
-class WebContents;
-}
-
-namespace extensions {
-class Extension;
-}
-
-class Profile;
-
-namespace web_app {
-
-// Extracts shortcut info of the given WebContents.
-void GetShortcutInfoForTab(content::WebContents* web_contents,
-                           ShellIntegration::ShortcutInfo* info);
-
-// Updates web app shortcut of the WebContents. This function checks and
-// updates web app icon and shortcuts if needed. For icon, the check is based
-// on MD5 hash of icon image. For shortcuts, it checks the desktop, start menu
-// and quick launch (as well as pinned shortcut) for shortcut and only
-// updates (recreates) them if they exits.
-void UpdateShortcutForTabContents(content::WebContents* web_contents);
-
-}  // namespace web_app
-
-#endif  // CHROME_BROWSER_UI_WEB_APPLICATIONS_WEB_APP_UI_H_