Only return the visible page actions from PageActionController.

chrome/browser/extensions/page_action_controller.h

Index: chrome/browser/extensions/page_action_controller.h
diff --git a/chrome/browser/extensions/page_action_controller.h b/chrome/browser/extensions/page_action_controller.h
index 22f9fc6ef61a2ad3ab53339451d76f24e86bcdfd..f67a992d06cd03cd7e2221ef804bb1d86e1d052a 100644
--- a/chrome/browser/extensions/page_action_controller.h
+++ b/chrome/browser/extensions/page_action_controller.h
@@ -6,7 +6,12 @@
 #define CHROME_BROWSER_EXTENSIONS_PAGE_ACTION_CONTROLLER_H_
 #pragma once
 
+#include <set>
+#include <string>
+
+#include "base/observer_list.h"
 #include "chrome/browser/extensions/action_box_controller.h"
+#include "chrome/browser/extensions/extension_tab_helper.h"
 
 class ExtensionService;
 class TabContentsWrapper;
@@ -14,16 +19,22 @@ class TabContentsWrapper;
 namespace extensions {
 
 // An ActionBoxController which corresponds to the page actions of an extension.
-class PageActionController : public ActionBoxController {
+class PageActionController : public ActionBoxController,
+                             public ExtensionTabHelper::Observer {
  public:
-  explicit PageActionController(TabContentsWrapper* tab_contents);
+  PageActionController(TabContentsWrapper* tab_contents,
+                       ExtensionTabHelper* tab_helper);
   virtual ~PageActionController();
 
-  virtual scoped_ptr<DataList> GetAllBadgeData() OVERRIDE;
-
+  // ActionBoxController implementation.
+  virtual scoped_ptr<std::vector<ExtensionAction*> > GetCurrentActions()
+      OVERRIDE;
   virtual Action OnClicked(const std::string& extension_id,
                            int mouse_button) OVERRIDE;
 
+  // ExtensionTabHelper::Observer implementation.
+  virtual void OnPageActionStateChanged() OVERRIDE;
+
  private:
   // Gets the ExtensionService for |tab_contents_|.
   ExtensionService* GetExtensionService();