Remove Chrome Frame code and resources.

chrome_frame/turndown_prompt/turndown_prompt.h

-// 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.
-
-#ifndef CHROME_FRAME_TURNDOWN_PROMPT_TURNDOWN_PROMPT_H_
-#define CHROME_FRAME_TURNDOWN_PROMPT_TURNDOWN_PROMPT_H_
-
-#include <atlbase.h>
-#include <atlcom.h>
-
-interface IWebBrowser2;
-
-// Integrates the Turndown prompt functionality with a specified IWebBrowser2
-// instance.  Displays prompts informing the user that Chrome Frame is being
-// turned down.
-namespace turndown_prompt {
-
-// Returns true if the Turndown prompt is suppressed. Suppression may be
-// explicit via the SuppressChromeFrameTurndownPrompt GPO or implicit by virtue
-// of Chrome Frame having been installed via the .MSI or by updates to Chrome
-// Frame having been disabled.
-bool IsPromptSuppressed();
-
-// Configures |web_browser| for the turndown prompt if the prompt has not been
-// suppressed.
-void Configure(IWebBrowser2* web_browser);
-
-};  // namespace turndown_prompt
-
-#endif  // CHROME_FRAME_TURNDOWN_PROMPT_TURNDOWN_PROMPT_H_