[Mac] Fixes a bug where an ExtensionPopupController object's pointer was neve...

chrome/browser/cocoa/location_bar_view_mac.h

 // Copyright (c) 2009 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_COCOA_LOCATION_BAR_VIEW_MAC_H_
 #define CHROME_BROWSER_COCOA_LOCATION_BAR_VIEW_MAC_H_
 
 #include <string>
 #include <map>
 #include <vector>
@@ skipping 182 matching lines @@
     // Called to notify the Page Action that it should determine whether to be
     // visible or hidden. |contents| is the TabContents that is active, |url|
     // is the current page URL.
     void UpdateVisibility(TabContents* contents, const GURL& url);
 
    protected:
     // For unit testing only.
     PageActionImageView() : owner_(NULL),
                             profile_(NULL),
                             page_action_(NULL),
+                            popup_controller_(nil),
                             tracker_(NULL),
                             current_tab_id_(-1),
                             preview_enabled_(false) {}
 
    private:
     // Overridden from NotificationObserver:
     virtual void Observe(NotificationType type,
                          const NotificationSource& source,
                          const NotificationDetails& details);
     void HidePopup();
 
     // The location bar view that owns us.
     LocationBarViewMac* owner_;
 
     // The current profile (not owned by us).
     Profile* profile_;
 
     // The Page Action that this view represents. The Page Action is not owned
     // by us, it resides in the extension of this particular profile.
     ExtensionAction* page_action_;
 
     // A cache of images the Page Actions might need to show, mapped by path.
     typedef std::map<std::string, SkBitmap> PageActionMap;
     PageActionMap page_action_icons_;
 
     // The controller for the popup displayed if a page action has one. Weak.
-    ExtensionPopupController* popupController_;
+    ExtensionPopupController* popup_controller_;
 
     // The object that is waiting for the image loading to complete
     // asynchronously.
     ImageLoadingTracker* tracker_;
 
     // The tab id we are currently showing the icon for.
     int current_tab_id_;
 
     // The URL we are currently showing the icon for.
     GURL current_url_;
@@ skipping 81 matching lines @@
   // Image used in drawing keyword hint.
   scoped_nsobject<NSImage> tab_button_image_;
 
   // The transition type to use for the navigation.
   PageTransition::Type transition_;
 
   DISALLOW_COPY_AND_ASSIGN(LocationBarViewMac);
 };
 
 #endif  // CHROME_BROWSER_COCOA_LOCATION_BAR_VIEW_MAC_H_