Move Extension into extensions namespace

chrome/browser/ui/views/create_application_shortcut_view.h

Index: chrome/browser/ui/views/create_application_shortcut_view.h
diff --git a/chrome/browser/ui/views/create_application_shortcut_view.h b/chrome/browser/ui/views/create_application_shortcut_view.h
index 8a49f9b62d3f233663e2b35e3285fd5bd2fb31f6..f7d57382943882174e1c2c53c217ea5b0c0ef260 100644
--- a/chrome/browser/ui/views/create_application_shortcut_view.h
+++ b/chrome/browser/ui/views/create_application_shortcut_view.h
@@ -15,11 +15,14 @@
 #include "ui/views/controls/button/button.h"
 #include "ui/views/window/dialog_delegate.h"
 
-class Extension;
 class Profile;
 class TabContentsWrapper;
 class SkBitmap;
 
+namespace extensions {
+class Extension;
+}
+
 namespace views {
 class Checkbox;
 class Label;
@@ -110,7 +113,8 @@ class CreateChromeApplicationShortcutView
     : public CreateApplicationShortcutView,
      public ImageLoadingTracker::Observer {
  public:
-  CreateChromeApplicationShortcutView(Profile* profile, const Extension* app);
+  CreateChromeApplicationShortcutView(Profile* profile,
+                                      const extensions::Extension* app);
   virtual ~CreateChromeApplicationShortcutView();
 
   // Implement ImageLoadingTracker::Observer.  |tracker_| is used to
@@ -121,7 +125,7 @@ class CreateChromeApplicationShortcutView
                              int index) OVERRIDE;
 
  private:
-  const Extension* app_;
+  const extensions::Extension* app_;
   ImageLoadingTracker tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(CreateChromeApplicationShortcutView);