Allow platform apps to add themselves to the Action Box.

chrome/common/extensions/api/extension_action/action_info.h

Index: chrome/common/extensions/api/extension_action/action_info.h
diff --git a/chrome/common/extensions/api/extension_action/action_info.h b/chrome/common/extensions/api/extension_action/action_info.h
index c17759a415c8ee8c00494a36bab295739fd827ac..1f148ef2ebeede6e126f8218e315357f8389cdaa 100644
--- a/chrome/common/extensions/api/extension_action/action_info.h
+++ b/chrome/common/extensions/api/extension_action/action_info.h
@@ -33,12 +33,18 @@ struct ActionInfo {
   // Returns the extension's script badge.
   static const ActionInfo* GetScriptBadgeInfo(const Extension* etxension);
 
+  // Returns the extension's page launcher.
+  static const ActionInfo* GetPageLauncherInfo(const Extension* extension);
+
   // Sets the extension's browser action. |extension| takes ownership of |info|.
   static void SetBrowserActionInfo(Extension* extension, ActionInfo* info);
 
   // Sets the extension's script badge. |extension| takes ownership of |info|.
   static void SetScriptBadgeInfo(Extension* etxension, ActionInfo* info);
 
+  // Sets the extension's page launcher. |extension| takes ownership of |info|.
+  static void SetPageLauncherInfo(Extension* extension, ActionInfo* info);
+
   // Empty implies the key wasn't present.
   ExtensionIconSet default_icon;
   std::string default_title;