Refactor folders in chrome/browser/extensions/api

chrome/browser/extensions/api/web_request/web_request_api_constants.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/api/webrequest/webrequest_api_constants.h"
+#include "chrome/browser/extensions/api/web_request/web_request_api_constants.h"
 
-namespace extension_webrequest_api_constants {
+namespace extension_web_request_api_constants {
 
 const char kChallengerKey[] = "challenger";
 const char kErrorKey[] = "error";
 const char kFrameIdKey[] = "frameId";
 const char kParentFrameIdKey[] = "parentFrameId";
 const char kFromCache[] = "fromCache";
 const char kHostKey[] = "host";
 const char kIpKey[] = "ip";
 const char kPortKey[] = "port";
 const char kMethodKey[] = "method";
@@ skipping 33 matching lines @@
     "cancel cannot be true in the presence of other keys.";
 const char kInvalidRequestFilterUrl[] = "'*' is not a valid URL pattern.";
 const char kBlockingPermissionRequired[] =
     "You do not have permission to use blocking webRequest listeners. "
     "Be sure to declare the webRequestBlocking permission in your "
     "manifest.";
 const char kHostPermissionsRequired[] =
     "You need to request host permissions in the manifest file in order to "
     "be notified about requests from the webRequest API.";
 
-}  // namespace extension_webrequest_api_constants
+}  // namespace extension_web_request_api_constants