Move Extension into extensions namespace

chrome/browser/extensions/extension_protocols.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/extensions/extension_protocols.h"
 
 #include <algorithm>
 
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
@@ skipping 17 matching lines @@
 #include "net/base/mime_util.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_response_info.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/url_request_error_job.h"
 #include "net/url_request/url_request_file_job.h"
 #include "net/url_request/url_request_simple_job.h"
 #include "ui/base/resource/resource_bundle.h"
 
 using content::ResourceRequestInfo;
+using extensions::Extension;
 
 namespace {
 
 net::HttpResponseHeaders* BuildHttpHeaders(
     const std::string& content_security_policy, bool send_cors_header) {
   std::string raw_headers;
   raw_headers.append("HTTP/1.1 200 OK");
   if (!content_security_policy.empty()) {
     raw_headers.append(1, '\0');
     raw_headers.append("X-WebKit-CSP: ");
@@ skipping 279 matching lines @@
                                     content_security_policy, send_cors_header);
 }
 
 }  // namespace
 
 net::URLRequestJobFactory::ProtocolHandler* CreateExtensionProtocolHandler(
     bool is_incognito,
     ExtensionInfoMap* extension_info_map) {
   return new ExtensionProtocolHandler(is_incognito, extension_info_map);
 }