Added UMA metrics for ActionBox

chrome/browser/ui/toolbar/action_box_button_controller.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_BROWSER_UI_TOOLBAR_ACTION_BOX_BUTTON_CONTROLLER_H_
 #define CHROME_BROWSER_UI_TOOLBAR_ACTION_BOX_BUTTON_CONTROLLER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 74 matching lines @@
 
   // The command ID to assign to the next extension that needs one.
   int next_extension_command_id_;
 
   // The extension IDs that have commands associated with them.
   typedef std::map<std::string, int> ExtensionIdCommandMap;
   ExtensionIdCommandMap extension_command_ids_;
 
   content::NotificationRegistrar registrar_;
 
+  // This indicates we need to send UMA data about the number of
+  // "Share with X" commands shown in the menu after user tried to
+  // find share extensions from web store or the first use of action
+  // box after browser starts.
+  bool should_send_uma_;
+
   DISALLOW_COPY_AND_ASSIGN(ActionBoxButtonController);
 };
 
 #endif  // CHROME_BROWSER_UI_TOOLBAR_ACTION_BOX_BUTTON_CONTROLLER_H_