Give request-to-act badges a grey background, and increase spacing to make it fit.

chrome/common/extensions/extension_action.h

 // Copyright (c) 2012 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_COMMON_EXTENSIONS_EXTENSION_ACTION_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_ACTION_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 224 matching lines @@
   // Set this action's badge visibility on a specific tab.  This takes
   // care of any appropriate transition animations.  Returns true if
   // the appearance has changed.
   bool SetAppearance(int tab_id, Appearance value);
   // Get the badge visibility for a tab, or the default badge visibility
   // if none was set.
   bool GetIsVisible(int tab_id) const {
     return GetValue(&appearance_, tab_id) != INVISIBLE;
   }
 
+  // True if the tab's action wants the user's attention.
+  bool WantsAttention(int tab_id) const {
+    return GetValue(&appearance_, tab_id) == WANTS_ATTENTION;
+  }
+
   // Remove all tab-specific state.
   void ClearAllValuesForTab(int tab_id);
 
   // If the specified tab has a badge, paint it into the provided bounds.
   void PaintBadge(gfx::Canvas* canvas, const gfx::Rect& bounds, int tab_id);
 
   // Returns icon image with badge for specified tab.
   gfx::ImageSkia GetIconWithBadge(const gfx::ImageSkia& icon,
                                   int tab_id,
                                   const gfx::Size& spacing) const;
@@ skipping 89 matching lines @@
 };
 
 template<>
 struct ExtensionAction::ValueTraits<int> {
   static int CreateEmpty() {
     return -1;
   }
 };
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_ACTION_H_