Move ExtensionHost into extensions namespace

chrome/browser/extensions/extension_infobar_delegate.h

 // Copyright (c) 2011 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_EXTENSIONS_EXTENSION_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_INFOBAR_DELEGATE_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/tab_contents/confirm_infobar_delegate.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class Browser;
-class ExtensionHost;
 class GURL;
 
 namespace extensions {
 class Extension;
+class ExtensionHost;
 }
 
 // The InfobarDelegate for creating and managing state for the ExtensionInfobar
 // plus monitor when the extension goes away.
 class ExtensionInfoBarDelegate : public InfoBarDelegate,
                                  public content::NotificationObserver {
  public:
   // The observer for when the delegate dies.
   class DelegateObserver {
    public:
     virtual void OnDelegateDeleted() = 0;
 
    protected:
     virtual ~DelegateObserver() {}
   };
 
   ExtensionInfoBarDelegate(Browser* browser,
                            InfoBarTabHelper* infobar_helper,
                            const extensions::Extension* extension,
                            const GURL& url,
                            int height);
 
   const extensions::Extension* extension() { return extension_; }
-  ExtensionHost* extension_host() { return extension_host_.get(); }
+  extensions::ExtensionHost* extension_host() { return extension_host_.get(); }
   int height() { return height_; }
 
   void set_observer(DelegateObserver* observer) { observer_ = observer; }
 
   bool closing() const { return closing_; }
 
  private:
   virtual ~ExtensionInfoBarDelegate();
 
   // InfoBarDelegate:
   virtual InfoBar* CreateInfoBar(InfoBarTabHelper* owner) OVERRIDE;
   virtual bool EqualsDelegate(InfoBarDelegate* delegate) const OVERRIDE;
   virtual void InfoBarDismissed() OVERRIDE;
   virtual Type GetInfoBarType() const OVERRIDE;
   virtual ExtensionInfoBarDelegate* AsExtensionInfoBarDelegate() OVERRIDE;
 
   // content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   Browser* browser_;
 
   // The extension host we are showing the InfoBar for. The delegate needs to
   // own this since the InfoBar gets deleted and recreated when you switch tabs
   // and come back (and we don't want the user's interaction with the InfoBar to
   // get lost at that point).
-  scoped_ptr<ExtensionHost> extension_host_;
+  scoped_ptr<extensions::ExtensionHost> extension_host_;
 
   // The observer monitoring when the delegate dies.
   DelegateObserver* observer_;
 
   const extensions::Extension* extension_;
   content::NotificationRegistrar registrar_;
 
   // The requested height of the infobar (in pixels).
   int height_;
 
   // Whether we are currently animating to close. This is used to ignore
   // ExtensionView::PreferredSizeChanged notifications.
   bool closing_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionInfoBarDelegate);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_INFOBAR_DELEGATE_H_