Bug 574454 - Add caption buttonbox css styles. r=dbaron.

gfx/src/nsThemeConstants.h

@@ -248,3 +248,5 @@
 #define NS_THEME_WINDOW_BUTTON_MINIMIZE                    237
 #define NS_THEME_WINDOW_BUTTON_MAXIMIZE                    238
 #define NS_THEME_WINDOW_BUTTON_RESTORE                     239
+#define NS_THEME_WINDOW_BUTTON_BOX                         240
+#define NS_THEME_WINDOW_BUTTON_BOX_MAXIMIZED               241

layout/style/nsCSSKeywordList.h

@@ -601,6 +601,8 @@ CSS_KEY(-moz-window-button-close, _moz_window_button_close)
 CSS_KEY(-moz-window-button-minimize, _moz_window_button_minimize)
 CSS_KEY(-moz-window-button-maximize, _moz_window_button_maximize)
 CSS_KEY(-moz-window-button-restore, _moz_window_button_restore)
+CSS_KEY(-moz-window-button-box, _moz_window_button_box)
+CSS_KEY(-moz-window-button-box-maximized, _moz_window_button_box_maximized)
 CSS_KEY(-moz-mac-unified-toolbar, _moz_mac_unified_toolbar)
 CSS_KEY(alphabetic, alphabetic)
 CSS_KEY(bevel, bevel)

layout/style/nsCSSProps.cpp

@@ -509,6 +509,8 @@ const PRInt32 nsCSSProps::kAppearanceKTable[] = {
   eCSSKeyword__moz_window_button_minimize,    NS_THEME_WINDOW_BUTTON_MINIMIZE,
   eCSSKeyword__moz_window_button_maximize,    NS_THEME_WINDOW_BUTTON_MAXIMIZE,
   eCSSKeyword__moz_window_button_restore,     NS_THEME_WINDOW_BUTTON_RESTORE,
+  eCSSKeyword__moz_window_button_box,         NS_THEME_WINDOW_BUTTON_BOX,
+  eCSSKeyword__moz_window_button_box_maximized, NS_THEME_WINDOW_BUTTON_BOX_MAXIMIZED,
   eCSSKeyword_UNKNOWN,-1
 };