Make the dismiss button on the CF infobar be an image button.

chrome_frame/turndown_prompt/turndown_prompt_window.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_WINDOW_H_
 #define CHROME_FRAME_TURNDOWN_PROMPT_TURNDOWN_PROMPT_WINDOW_H_
 
 #include <windows.h>
 #include <atlbase.h>
 #include <atlapp.h>
@@ skipping 10 matching lines @@
 #include "base/win/scoped_comptr.h"
 #include "base/win/scoped_handle.h"
 #include "chrome_frame/infobars/infobar_content.h"
 #include "chrome_frame/resource.h"
 #include "grit/chrome_frame_dialogs.h"
 
 class UrlLauncher;
 
 namespace WTL {
 class CHyperLink;
+class CBitmapButton;
 }  // namespace WTL
 
+class CFBitmapButton;
+
 // Implements a dialog with text and buttons notifying the user that Chrome
 // Frame is being turned down, offering them a link to learn more about moving
 // to a modern browser.
 class TurndownPromptWindow
     : public CDialogImpl<TurndownPromptWindow, CWindow>,
       public CDialogResize<TurndownPromptWindow>,
       public CThemeImpl<TurndownPromptWindow> {
  public:
   enum { IDD = IDD_CHROME_FRAME_TURNDOWN_PROMPT };
 
@@ skipping 33 matching lines @@
 
  private:
   // Call CreateInstance() to get an initialized TurndownPromptWindow.
   TurndownPromptWindow(InfobarContent::Frame* frame,
                        UrlLauncher* url_launcher,
                        const base::Closure& uninstall_closure);
 
   // The TurndownPromptWindow manages its own destruction.
   virtual ~TurndownPromptWindow();
 
+  // Performs the necessary configuration to initialize a bitmap button.
+  static void SetupBitmapButton(
+      const base::WeakPtr<TurndownPromptWindow>& window);
+
   // Event handlers.
   void OnDestroy();
   BOOL OnInitDialog(CWindow wndFocus, LPARAM lInitParam);
   LRESULT OnLearnMore(WORD wParam, LPNMHDR lParam, BOOL& bHandled);  // NOLINT
   LRESULT OnUninstall(WORD wNotifyCode,
                       WORD wID,
                       HWND hWndCtl,
                       BOOL& bHandled);
   LRESULT OnDismiss(WORD wNotifyCode,
                     WORD wID,
                     HWND hWndCtl,
                     BOOL& bHandled);
 
   // Returns the prompt text for the current version of IE.
   static string16 GetPromptText();
 
   InfobarContent::Frame* frame_;  // Not owned by this instance
   scoped_ptr<WTL::CHyperLink> link_;
+  scoped_ptr<CFBitmapButton> close_button_;
   scoped_ptr<UrlLauncher> url_launcher_;
   base::Closure uninstall_closure_;
 
   base::WeakPtrFactory<TurndownPromptWindow> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(TurndownPromptWindow);
 };  // class TurndownPromptWindow
 
 #endif  // CHROME_FRAME_TURNDOWN_PROMPT_TURNDOWN_PROMPT_WINDOW_H_