Consolidate ExtensionAction execution code

chrome/browser/ui/cocoa/location_bar/page_action_decoration.h

Index: chrome/browser/ui/cocoa/location_bar/page_action_decoration.h
diff --git a/chrome/browser/ui/cocoa/location_bar/page_action_decoration.h b/chrome/browser/ui/cocoa/location_bar/page_action_decoration.h
index 9fd865b26dd199b3acf326d4836730a995139840..4e3b77e9ad1d11868f37f010c63e88f66ffa58d5 100644
--- a/chrome/browser/ui/cocoa/location_bar/page_action_decoration.h
+++ b/chrome/browser/ui/cocoa/location_bar/page_action_decoration.h
@@ -20,6 +20,10 @@ namespace content {
 class WebContents;
 }
 
+namespace extensions {
+class Extension;
+}
+
 // PageActionDecoration is used to display the icon for a given Page
 // Action and notify the extension when the icon is clicked.
 
@@ -67,6 +71,9 @@ class PageActionDecoration : public ImageDecoration,
   // Show the popup in the frame, with the given URL.
   void ShowPopup(const NSRect& frame, const GURL& popup_url);
 
+  // Returns the extension associated with the page action.
+  const extensions::Extension* GetExtension();
+
   // Overridden from NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
@@ -83,7 +90,6 @@ class PageActionDecoration : public ImageDecoration,
   // profile.
   ExtensionAction* page_action_;
 
-
   // The object that will be used to get the page action icon for us.
   // It may load the icon asynchronously (in which case the initial icon
   // returned by the factory will be transparent), so we have to observe it for