Revert "Remove spellcheck feedback."

chrome/browser/renderer_context_menu/spelling_menu_observer.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_RENDERER_CONTEXT_MENU_SPELLING_MENU_OBSERVER_H_
 #define CHROME_BROWSER_RENDERER_CONTEXT_MENU_SPELLING_MENU_OBSERVER_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
@@ skipping 30 matching lines @@
  public:
   explicit SpellingMenuObserver(RenderViewContextMenuProxy* proxy);
   ~SpellingMenuObserver() override;
 
   // RenderViewContextMenuObserver implementation.
   void InitMenu(const content::ContextMenuParams& params) override;
   bool IsCommandIdSupported(int command_id) override;
   bool IsCommandIdChecked(int command_id) override;
   bool IsCommandIdEnabled(int command_id) override;
   void ExecuteCommand(int command_id) override;
+  void OnMenuCancel() override;
 
   // A callback function called when the Spelling service finishes checking a
   // misspelled word.
   void OnTextCheckComplete(
       SpellingServiceClient::ServiceType type,
       bool success,
       const base::string16& text,
       const std::vector<SpellCheckResult>& results);
 
  private:
@@ skipping 19 matching lines @@
   // A flag represending whether a JSON-RPC call to the Spelling service
   // finished successfully and its response had a suggestion not included in the
   // ones provided by the local spellchecker. When this flag is true, we enable
   // the context-menu item so users can choose it.
   bool succeeded_;
 
   // The misspelled word. When we choose the "Add to dictionary" item, we add
   // this word to the custom-word dictionary.
   base::string16 misspelled_word_;
 
+  // The hash identifier for the misspelled word. Used for collecting user
+  // feedback to spellcheck suggestions.
+  uint32 misspelling_hash_;
+
   // 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.
   base::string16 result_;
 
   // The URLFetcher object used for sending a JSON-RPC request.
   scoped_ptr<SpellingServiceClient> client_;
 
   // A timer used for loading animation.
   base::RepeatingTimer<SpellingMenuObserver> animation_timer_;
 
   // Flag indicating whether online spelling correction service is enabled. When
   // this variable is true and we right-click a misspelled word, we send a
   // JSON-RPC request to the service and retrieve suggestions.
   BooleanPrefMember integrate_spelling_service_;
 
   // Flag indicating whether automatic spelling correction is enabled.
   BooleanPrefMember autocorrect_spelling_;
 
   DISALLOW_COPY_AND_ASSIGN(SpellingMenuObserver);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_CONTEXT_MENU_SPELLING_MENU_OBSERVER_H_