Move Extension into extensions namespace

chrome/browser/ui/views/ash/launcher/browser_launcher_item_controller.cc

 // 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.
 
 #include "chrome/browser/ui/views/ash/launcher/browser_launcher_item_controller.h"
 
 #include "ash/launcher/launcher.h"
 #include "ash/launcher/launcher_model.h"
 #include "ash/shell.h"
 #include "ash/wm/window_util.h"
@@ skipping 170 matching lines @@
     }
     // Update the icon for extension panels.
     SkBitmap new_image = favicon_loader_->GetFavicon();
     if (new_image.empty() && tab->extension_tab_helper()->GetExtensionAppIcon())
       new_image = *tab->extension_tab_helper()->GetExtensionAppIcon();
     // Only update the icon if we have a new image, or none has been set yet.
     // This avoids flickering to an empty image when a pinned app is opened.
     if (!new_image.empty())
       item.image = new_image;
     else if (item.image.empty())
-      item.image = Extension::GetDefaultIcon(true);
+      item.image = extensions::Extension::GetDefaultIcon(true);
   } else {
     DCHECK_EQ(TYPE_TABBED, type_);
     ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
     if (tab->favicon_tab_helper()->ShouldDisplayFavicon()) {
       item.image = tab->favicon_tab_helper()->GetFavicon();
       if (item.image.empty()) {
         item.image = *rb.GetBitmapNamed(IDR_DEFAULT_FAVICON);
       }
     } else {
       item.image = *rb.GetBitmapNamed(IDR_DEFAULT_FAVICON);
     }
   }
   launcher_model()->Set(item_index, item);
 }
 
 ash::LauncherModel* BrowserLauncherItemController::launcher_model() {
   return launcher_controller_->model();
 }