Move Extension into extensions namespace

chrome/browser/ui/extensions/shell_window.cc

Index: chrome/browser/ui/extensions/shell_window.cc
diff --git a/chrome/browser/ui/extensions/shell_window.cc b/chrome/browser/ui/extensions/shell_window.cc
index 0371ab79eab00a4c575f9a1573a186b45c39b464..e8bd2a7bb67c98d7eaf79135f0e48578dfe084eb 100644
--- a/chrome/browser/ui/extensions/shell_window.cc
+++ b/chrome/browser/ui/extensions/shell_window.cc
@@ -79,14 +79,14 @@ void ShellWindowController::SetFullscreenMode(bool is_fullscreen,
 }  // namespace internal
 
 ShellWindow* ShellWindow::Create(Profile* profile,
-                                 const Extension* extension,
+                                 const extensions::Extension* extension,
                                  const GURL& url) {
   // This object will delete itself when the window is closed.
   return ShellWindow::CreateImpl(profile, extension, url);
 }
 
 ShellWindow::ShellWindow(Profile* profile,
-                         const Extension* extension,
+                         const extensions::Extension* extension,
                          const GURL& url)
     : profile_(profile),
       extension_(extension),
@@ -159,8 +159,9 @@ void ShellWindow::Observe(int type,
                           const content::NotificationDetails& details) {
   switch (type) {
     case chrome::NOTIFICATION_EXTENSION_UNLOADED: {
-      const Extension* unloaded_extension =
-          content::Details<UnloadedExtensionInfo>(details)->extension;
+      const extensions::Extension* unloaded_extension =
+          content::Details<extensions::UnloadedExtensionInfo>(
+              details)->extension;
       if (extension_ == unloaded_extension)
         Close();
       break;