Move ExtensionFunction to the extensions component.

chrome/browser/extensions/api/web_request/web_request_api.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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_H_
 
 #include <list>
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/memory/singleton.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "chrome/browser/extensions/api/declarative_webrequest/request_stage.h"
 #include "chrome/browser/extensions/api/web_request/web_request_api_helpers.h"
 #include "chrome/browser/extensions/api/web_request/web_request_permissions.h"
-#include "chrome/browser/extensions/extension_function.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_version_info.h"
+#include "extensions/browser/extension_function.h"
 #include "extensions/common/url_pattern_set.h"
 #include "ipc/ipc_sender.h"
 #include "net/base/completion_callback.h"
 #include "net/base/network_delegate.h"
 #include "net/http/http_request_headers.h"
 #include "webkit/common/resource_type.h"
 
 class ExtensionWebRequestTimeTracker;
 class GURL;
 
@@ skipping 437 matching lines @@
   virtual void OnQuotaExceeded(const std::string& error) OVERRIDE;
   virtual bool RunImpl() OVERRIDE;
 };
 
 // Send updates to |host| with information about what webRequest-related
 // extensions are installed.
 // TODO(mpcomplete): remove. http://crbug.com/100411
 void SendExtensionWebRequestStatusToHost(content::RenderProcessHost* host);
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_H_