Move Extension into extensions namespace

chrome/browser/ui/views/ash/launcher/launcher_app_icon_loader.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/launcher_app_icon_loader.h"
 
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_resource.h"
 #include "content/public/browser/web_contents.h"
 
 LauncherAppIconLoader::LauncherAppIconLoader(
     Profile* profile,
     ChromeLauncherController* controller)
     : profile_(profile),
       host_(controller) {
 }
 
 LauncherAppIconLoader::~LauncherAppIconLoader() {
 }
 
 std::string LauncherAppIconLoader::GetAppID(TabContentsWrapper* tab) {
-  const Extension* extension = GetExtensionForTab(tab);
+  const extensions::Extension* extension = GetExtensionForTab(tab);
   return extension ? extension->id() : std::string();
 }
 
 bool LauncherAppIconLoader::IsValidID(const std::string& id) {
   return GetExtensionByID(id) != NULL;
 }
 
 void LauncherAppIconLoader::FetchImage(const std::string& id) {
   for (ImageLoaderIDToExtensionIDMap::const_iterator i = map_.begin();
        i != map_.end(); ++i) {
     if (i->second == id)
       return;  // Already loading the image.
   }
 
-  const Extension* extension = GetExtensionByID(id);
+  const extensions::Extension* extension = GetExtensionByID(id);
   if (!extension)
     return;
   if (!image_loader_.get())
     image_loader_.reset(new ImageLoadingTracker(this));
   map_[image_loader_->next_id()] = id;
   image_loader_->LoadImage(
       extension,
       extension->GetIconResource(ExtensionIconSet::EXTENSION_ICON_SMALL,
                                  ExtensionIconSet::MATCH_BIGGER),
       gfx::Size(ExtensionIconSet::EXTENSION_ICON_SMALL,
                 ExtensionIconSet::EXTENSION_ICON_SMALL),
       ImageLoadingTracker::CACHE);
 }
 
 void LauncherAppIconLoader::OnImageLoaded(const gfx::Image& image,
                                           const std::string& extension_id,
                                           int index) {
   ImageLoaderIDToExtensionIDMap::iterator i = map_.find(index);
   if (i == map_.end())
     return;  // The tab has since been removed, do nothing.
 
   std::string id = i->second;
   map_.erase(i);
   if (image.IsEmpty())
     host_->SetAppImage(id, NULL);
   else
     host_->SetAppImage(id, image.ToSkBitmap());
 }
 
-const Extension* LauncherAppIconLoader::GetExtensionForTab(
+const extensions::Extension* LauncherAppIconLoader::GetExtensionForTab(
     TabContentsWrapper* tab) {
   ExtensionService* extension_service = profile_->GetExtensionService();
   if (!extension_service)
     return NULL;
   return extension_service->GetInstalledApp(tab->web_contents()->GetURL());
 }
 
-const Extension* LauncherAppIconLoader::GetExtensionByID(
+const extensions::Extension* LauncherAppIconLoader::GetExtensionByID(
     const std::string& id) {
   ExtensionService* service = profile_->GetExtensionService();
   if (!service)
     return NULL;
   return service->GetInstalledExtension(id);
 }