Move NativeWebKeyboardEvent to the content namespace.

chrome/browser/printing/print_preview_tab_controller.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/printing/print_preview_tab_controller.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 22 matching lines @@
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_view_host_delegate.h"
 #include "content/public/browser/web_contents.h"
 #include "webkit/plugins/webplugininfo.h"
 
+using content::NativeWebKeyboardEvent;
 using content::NavigationController;
 using content::WebContents;
 using content::WebUIMessageHandler;
 
 namespace {
 
 void EnableInternalPDFPluginForTab(TabContentsWrapper* preview_tab) {
   // Always enable the internal PDF plugin for the print preview page.
   ChromePluginServiceFilter::GetInstance()->OverridePluginForTab(
         preview_tab->web_contents()->GetRenderProcessHost()->GetID(),
@@ skipping 488 matching lines @@
   PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(
       preview_tab->web_contents()->GetWebUI()->GetController());
   if (print_preview_ui)
     print_preview_ui->OnTabDestroyed();
 
   preview_tab_map_.erase(preview_tab);
   RemoveObservers(preview_tab);
 }
 
 }  // namespace printing