ProcessSingleton now uses base::win::MessageWindow to create a message-only window.

chrome_frame/test/chrome_frame_test_utils.h

Index: chrome_frame/test/chrome_frame_test_utils.h
diff --git a/chrome_frame/test/chrome_frame_test_utils.h b/chrome_frame/test/chrome_frame_test_utils.h
index f0d499fa7535c5dcfd741bd3c501f89874d38cfc..8960ac6c7177fa307ce741cce1c878d079941816 100644
--- a/chrome_frame/test/chrome_frame_test_utils.h
+++ b/chrome_frame/test/chrome_frame_test_utils.h
@@ -303,6 +303,10 @@ bool AddCFMetaTag(std::string* html_data);
 // Get text data from the clipboard.
 std::wstring GetClipboardText();
 
+// Destroys the clipboard for the current thread. This function must be called
+// if GetClipboardText() or SetClipboardText() have been invoked.
+void DestroyClipboard();
+
 // Puts the given text data on the clipboard. All previous items on the
 // clipboard are removed.
 void SetClipboardText(const std::wstring& text);