Move ExtensionWarningService and ExtensionsWarningSet to extensions.

chrome/browser/extensions/api/web_request/web_request_api_helpers.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.
 
 // Helper classes and functions used for the WebRequest API.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_HELPERS_H_
 #define CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_HELPERS_H_
 
 #include <list>
 #include <set>
 #include <string>
 
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
-#include "chrome/browser/extensions/extension_warning_set.h"
 #include "content/public/common/resource_type.h"
+#include "extensions/browser/extension_warning_set.h"
 #include "net/base/auth.h"
 #include "net/http/http_request_headers.h"
 #include "net/http/http_response_headers.h"
 #include "url/gurl.h"
 
 namespace base {
 class ListValue;
 class Value;
 }
 
@@ skipping 297 matching lines @@
     scoped_refptr<const extensions::Extension> extension);
 
 // Whether a header is RFC 2616-compliant.
 bool IsValidHeaderName(const std::string& name);
 // Whether a header value does not contain NUL or CRLF.
 bool IsValidHeaderValue(const std::string& value);
 
 }  // namespace extension_web_request_api_helpers
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_HELPERS_H_