Adds a bubble that asks a user whether to integrate the Spelling service.

chrome/browser/tab_contents/spelling_menu_observer.h

 // Copyright (c) 2011 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_TAB_CONTENTS_SPELLING_MENU_OBSERVER_H_
 #define CHROME_BROWSER_TAB_CONTENTS_SPELLING_MENU_OBSERVER_H_
 #pragma once
 
 #include <string>
+#include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
 #include "base/timer.h"
 #include "chrome/browser/tab_contents/render_view_context_menu_observer.h"
 #include "content/public/common/url_fetcher_delegate.h"
 
 class GURL;
 class RenderViewContextMenuProxy;
 
@@ skipping 47 matching lines @@
   bool ParseResponse(int code, const std::string& data);
 
   // The callback function for base::RepeatingTimer<SpellingMenuClient>. This
   // function updates the "loading..." animation in the context-menu item.
   void OnAnimationTimerExpired();
 
   // The interface to add a context-menu item and update it. This class uses
   // this interface to avoid accesing context-menu items directly.
   RenderViewContextMenuProxy* proxy_;
 
+  // Suggested words from the local spellchecker. If the spelling service
+  // returns a word in this list, we hide the context-menu item to prevent
+  // showing the same word twice.
+  std::vector<string16> suggestions_;
+
   // The string used for animation until we receive a response from the Spelling
   // service. The current animation just adds periods at the end of this string:
   //   'Loading' -> 'Loading.' -> 'Loading..' -> 'Loading...' (-> 'Loading')
   string16 loading_message_;
   int loading_frame_;
 
   // A flag represending whether this call finished successfully. This means we
   // receive an empty JSON string or a JSON string that consists of misspelled
   // words. ('spelling_menu_observer.cc' describes its format.)
   bool succeeded_;
 
   // The string representing the result of this call. This string is a
   // suggestion when this call finished successfully. Otherwise it is error
   // text. Until we receive a response from the Spelling service, this string
   // stores the input string. (Since the Spelling service sends only misspelled
   // words, we replace these misspelled words in the input text with the
   // suggested words to create suggestion text.
   string16 result_;
 
   // The URLFetcher object used for sending a JSON-RPC request.
   scoped_ptr<content::URLFetcher> fetcher_;
 
   // A timer used for loading animation.
   base::RepeatingTimer<SpellingMenuObserver> animation_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(SpellingMenuObserver);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_SPELLING_MENU_OBSERVER_H_