Introduced additional spellcheck related histogram.

chrome/browser/spellcheck_host_impl.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_SPELLCHECK_HOST_IMPL_H_
 #define CHROME_BROWSER_SPELLCHECK_HOST_IMPL_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 69 matching lines @@
 
   // Inform |observer_| that initialization has finished.
   void InformObserverOfInitialization();
 
   // If |dictionary_file_| is missing, we attempt to download it.
   void DownloadDictionary();
 
   // Write a custom dictionary addition to disk.
   void WriteWordToCustomDictionary(const std::string& word);
 
+  // Collects a histogram for dictionary corruption rate
+  // to be uploaded via UMA
+  void RecordDictionaryCorruptionStats(bool corrupted);
+
   // Collects status of spellchecking enabling state, which is
   // to be uploaded via UMA
   virtual void RecordCheckedWordStats(bool misspell);
 
   // Collects a histogram for misspelled word replacement
   // to be uploaded via UMA
   virtual void RecordReplacedWordStats(int delta);
 
+  // Collects a histogram for context menu showing as a spell correction
+  // attempt to be uploaded via UMA
+  virtual void RecordSuggestionStats(int delta);
+
   // URLFetcher::Delegate implementation.  Called when we finish downloading the
   // spellcheck dictionary; saves the dictionary to |data_|.
   virtual void OnURLFetchComplete(const URLFetcher* source,
                                   const GURL& url,
                                   const net::URLRequestStatus& status,
                                   int response_code,
                                   const net::ResponseCookies& cookies,
                                   const std::string& data);
 
   // NotificationObserver implementation.
@@ skipping 38 matching lines @@
 
   // Used for downloading the dictionary file.
   scoped_ptr<URLFetcher> fetcher_;
 
   NotificationRegistrar registrar_;
 
   // Number of corrected words of checked words.
   int misspelled_word_count_;
   // Number of checked words.
   int spellchecked_word_count_;
+  // Number of suggestion list showings.
+  int suggestion_count_;

[brettw, 2011/06/12 13:02:59]

How about suggestion_show_count_? Just suggestion_count_ makes me think this is
the number of suggestions in a menu currently being showed or something.

   // Number of misspelled words replaced by a user.
   int replaced_word_count_;
 };
 
 #endif  // CHROME_BROWSER_SPELLCHECK_HOST_IMPL_H_