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

chrome_frame/turndown_prompt/turndown_prompt_window.h

Index: chrome_frame/turndown_prompt/turndown_prompt_window.h
diff --git a/chrome_frame/turndown_prompt/turndown_prompt_window.h b/chrome_frame/turndown_prompt/turndown_prompt_window.h
index 626fca61f58f8a531d43befa629cd2969ba37dc9..342e38a7ff8779474481aee6c15e0623f437f9bb 100644
--- a/chrome_frame/turndown_prompt/turndown_prompt_window.h
+++ b/chrome_frame/turndown_prompt/turndown_prompt_window.h
@@ -28,8 +28,11 @@ 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.
@@ -68,8 +71,8 @@ class TurndownPromptWindow
   BEGIN_DLGRESIZE_MAP(InfobarWindow)
     DLGRESIZE_CONTROL(IDDISMISS, DLSZ_CENTER_Y | DLSZ_MOVE_X)
     DLGRESIZE_CONTROL(IDUNINSTALL, DLSZ_CENTER_Y | DLSZ_MOVE_X)
-    DLGRESIZE_CONTROL(IDC_TD_PROMPT_MESSAGE, DLSZ_SIZE_Y | DLSZ_SIZE_X)
     DLGRESIZE_CONTROL(IDC_TD_PROMPT_LINK, DLSZ_CENTER_Y | DLSZ_MOVE_X)

[grt (UTC plus 2), 2013/07/23 01:38:33]

is this the change that fixed the flickering?

[robertshield, 2013/07/23 03:09:57]

No, it was reducing the width so they didn't overlap that did it. This does list
the controls in right to left order which is slightly better than the randomish
order before imo, so I'll leave it unless you erupt in violent boils at the
sight of it.

+    DLGRESIZE_CONTROL(IDC_TD_PROMPT_MESSAGE, DLSZ_SIZE_Y | DLSZ_SIZE_X)
   END_DLGRESIZE_MAP()
 
   virtual void OnFinalMessage(HWND);
@@ -83,6 +86,9 @@ class TurndownPromptWindow
   // The TurndownPromptWindow manages its own destruction.
   virtual ~TurndownPromptWindow();
 
+  // Performs the necessary configuration to initialize a bitmap button.
+  static void SetupBitmapButton(TurndownPromptWindow* window);
+
   // Event handlers.
   void OnDestroy();
   BOOL OnInitDialog(CWindow wndFocus, LPARAM lInitParam);
@@ -101,6 +107,7 @@ class TurndownPromptWindow
 
   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_;