Move Extension into extensions namespace

chrome/browser/extensions/extension_host.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 13 matching lines @@
 #include "chrome/browser/ui/views/extensions/extension_view.h"
 #elif defined(OS_MACOSX)
 #include "chrome/browser/ui/cocoa/extensions/extension_view_mac.h"
 #elif defined(TOOLKIT_GTK)
 #include "chrome/browser/ui/gtk/extensions/extension_view_gtk.h"
 #elif defined(OS_ANDROID)
 #include "chrome/browser/ui/android/extensions/extension_view_android.h"
 #endif
 
 class Browser;
-class Extension;
 class ExtensionWindowController;
 class PrefsTabHelper;
 
 namespace content {
 class RenderProcessHost;
 class RenderWidgetHostView;
 class SiteInstance;
 }
 
+namespace extensions {
+class Extension;
+}
+
 // This class is the browser component of an extension component's RenderView.
 // It handles setting up the renderer process, if needed, with special
 // privileges available to extensions.  It may have a view to be shown in the
 // browser UI, or it may be hidden.
 class ExtensionHost : public content::WebContentsDelegate,
                       public content::WebContentsObserver,
                       public ExtensionFunctionDispatcher::Delegate,
                       public content::NotificationObserver {
  public:
   class ProcessCreationQueue;
 
 #if defined(TOOLKIT_VIEWS)
   typedef ExtensionView PlatformExtensionView;
 #elif defined(OS_MACOSX)
   typedef ExtensionViewMac PlatformExtensionView;
 #elif defined(TOOLKIT_GTK)
   typedef ExtensionViewGtk PlatformExtensionView;
 #elif defined(OS_ANDROID)
   // Android does not support extensions.
   typedef ExtensionViewAndroid PlatformExtensionView;
 #endif
 
-  ExtensionHost(const Extension* extension,
+  ExtensionHost(const extensions::Extension* extension,
                 content::SiteInstance* site_instance,
                 const GURL& url, content::ViewType host_type);
   virtual ~ExtensionHost();
 
 #if defined(TOOLKIT_VIEWS)
   void set_view(PlatformExtensionView* view) { view_.reset(view); }
 #endif
 
   const PlatformExtensionView* view() const {
 #if defined(OS_ANDROID)
     NOTREACHED();
 #endif
     return view_.get();
   }
 
   PlatformExtensionView* view() {
 #if defined(OS_ANDROID)
     NOTREACHED();
 #endif
     return view_.get();
   }
 
   // Create an ExtensionView and tie it to this host and |browser|.  Note NULL
   // is a valid argument for |browser|.  Extension views may be bound to
   // tab-contents hosted in ExternalTabContainer objects, which do not
   // instantiate Browser objects.
   void CreateView(Browser* browser);
 
-  const Extension* extension() const { return extension_; }
+  const extensions::Extension* extension() const { return extension_; }
   const std::string& extension_id() const { return extension_id_; }
   content::WebContents* host_contents() const { return host_contents_.get(); }
   content::RenderViewHost* render_view_host() const;
   content::RenderProcessHost* render_process_host() const;
   bool did_stop_loading() const { return did_stop_loading_; }
   bool document_element_available() const {
     return document_element_available_;
   }
 
   Profile* profile() const { return profile_; }
@@ skipping 84 matching lines @@
   // Handles keyboard events that were not handled by HandleKeyboardEvent().
   // Platform specific implementation may override this method to handle the
   // event in platform specific way.
   virtual void UnhandledKeyboardEvent(const NativeWebKeyboardEvent& event) {}
 
   // Returns true if we're hosting a background page.
   // This isn't valid until CreateRenderView is called.
   bool is_background_page() const { return !view(); }
 
   // The extension that we're hosting in this view.
-  const Extension* extension_;
+  const extensions::Extension* extension_;
 
   // Id of extension that we're hosting in this view.
   const std::string extension_id_;
 
   // The profile that this host is tied to.
   Profile* profile_;
 
   // Optional view that shows the rendered content in the UI.
   scoped_ptr<PlatformExtensionView> view_;
 
@@ skipping 32 matching lines @@
   // The relevant WebContents associated with this ExtensionHost, if any.
   content::WebContents* associated_web_contents_;
 
   // Used to measure how long it's been since the host was created.
   PerfTimer since_created_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionHost);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_