Move Extension into extensions namespace

chrome/browser/ui/gtk/extensions/extension_keybinding_registry_gtk.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_UI_GTK_EXTENSIONS_EXTENSION_KEYBINDING_REGISTRY_GTK_H_
 #define CHROME_BROWSER_UI_GTK_EXTENSIONS_EXTENSION_KEYBINDING_REGISTRY_GTK_H_
 #pragma once
 
 #include <map>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/extensions/extension_keybinding_registry.h"
 #include "ui/base/accelerators/accelerator_gtk.h"
 #include "ui/base/gtk/gtk_signal.h"
 
+class Profile;
+
+namespace extensions {
 class Extension;
-class Profile;
+}
 
 typedef struct _GtkAccelGroup GtkAccelGroup;
 typedef struct _GdkEventKey GdkEventKey;
 
 // The ExtensionKeybindingRegistryGtk is the GTK specialization of the
 // ExtensionKeybindingRegistry class that handles turning keyboard shortcuts
 // into events that get sent to the extension.
 
 // ExtensionKeybindingRegistryGtk is a class that handles GTK-specific
 // implemenation of the Extension Keybinding shortcuts (keyboard accelerators).
 // Note: It keeps track of browserAction and pageAction commands, but does not
 // route the events to them -- that is handled elsewhere. This class registers
 // the accelerators on behalf of the extensions and routes the commands to them
 // via the BrowserEventRouter.
 class ExtensionKeybindingRegistryGtk
     : public extensions::ExtensionKeybindingRegistry {
  public:
   ExtensionKeybindingRegistryGtk(Profile* profile, gfx::NativeWindow window);
   virtual ~ExtensionKeybindingRegistryGtk();
 
   // Whether this class has any registered keyboard shortcuts that correspond
   // to |event|.
   gboolean HasPriorityHandler(const GdkEventKey* event) const;
 
  protected:
   // Overridden from ExtensionKeybindingRegistry:
-  virtual void AddExtensionKeybinding(const Extension* extension) OVERRIDE;
-  virtual void RemoveExtensionKeybinding(const Extension* extension) OVERRIDE;
+  virtual void AddExtensionKeybinding(
+      const extensions::Extension* extension) OVERRIDE;
+  virtual void RemoveExtensionKeybinding(
+      const extensions::Extension* extension) OVERRIDE;
 
  private:
   // The accelerator handler for when the extension command shortcuts are
   // struck.
   CHROMEG_CALLBACK_3(ExtensionKeybindingRegistryGtk, gboolean, OnGtkAccelerator,
                      GtkAccelGroup*, GObject*, guint, GdkModifierType);
 
   // Weak pointer to the our profile. Not owned by us.
   Profile* profile_;
 
@@ skipping 11 matching lines @@
                     std::pair<std::string, std::string> > EventTargets;
   EventTargets event_targets_;
 
   // The content notification registrar for listening to extension events.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionKeybindingRegistryGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_EXTENSIONS_EXTENSION_KEYBINDING_REGISTRY_GTK_H_