Move core web_view code to extensions.

extensions/browser/guest_view/web_view/javascript_dialog_helper.h

 // Copyright 2014 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_GUEST_VIEW_WEB_VIEW_JAVASCRIPT_DIALOG_HELPER_H_
-#define CHROME_BROWSER_GUEST_VIEW_WEB_VIEW_JAVASCRIPT_DIALOG_HELPER_H_
+#ifndef EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_JAVASCRIPT_DIALOG_HELPER_H_
+#define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_JAVASCRIPT_DIALOG_HELPER_H_
 
 #include "content/public/browser/javascript_dialog_manager.h"
 
 namespace extensions {
 
 class WebViewGuest;
 
 class JavaScriptDialogHelper : public content::JavaScriptDialogManager {
  public:
   explicit JavaScriptDialogHelper(WebViewGuest* guest);
@@ skipping 30 matching lines @@
       const std::string& user_input);
 
   // Pointer to the webview that is being helped.
   WebViewGuest* const web_view_guest_;
 
   DISALLOW_COPY_AND_ASSIGN(JavaScriptDialogHelper);
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_GUEST_VIEW_WEB_VIEW_JAVASCRIPT_DIALOG_HELPER_H_
+#endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_JAVASCRIPT_DIALOG_HELPER_H_