Move Extension into extensions namespace

chrome/browser/ui/gtk/location_bar_view_gtk.cc

 // 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.
 
 #include "chrome/browser/ui/gtk/location_bar_view_gtk.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 66 matching lines @@
 #include "ui/gfx/canvas_skia_paint.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/gtk_util.h"
 #include "ui/gfx/image/image.h"
 #include "webkit/glue/window_open_disposition.h"
 
 using content::NavigationEntry;
 using content::OpenURLParams;
 using content::WebContents;
 using extensions::ActionBoxController;
+using extensions::Extension;
 
 namespace {
 
 // We are positioned with a little bit of extra space that we don't use now.
 const int kTopMargin = 1;
 const int kBottomMargin = 1;
 const int kLeftMargin = 1;
 const int kRightMargin = 1;
 // We draw a border on the top and bottom (but not on left or right).
 const int kBorderThickness = 1;
@@ skipping 1696 matching lines @@
     GdkModifierType modifier,
     void* user_data) {
   PageActionViewGtk* view = static_cast<PageActionViewGtk*>(user_data);
   if (!gtk_widget_get_visible(view->widget()))
     return FALSE;
 
   GdkEventButton event = {};
   event.button = 1;
   return view->OnButtonPressed(view->widget(), &event);
 }