Revert "Remove spellcheck feedback."

chrome/browser/spellchecker/spellcheck_service.h

Index: chrome/browser/spellchecker/spellcheck_service.h
diff --git a/chrome/browser/spellchecker/spellcheck_service.h b/chrome/browser/spellchecker/spellcheck_service.h
index 46a081bc1faed06a2c4c59c6f8dc590f65c34113..84db1ce6a96de45d3b7c4bf3941af42344a22b56 100644
--- a/chrome/browser/spellchecker/spellcheck_service.h
+++ b/chrome/browser/spellchecker/spellcheck_service.h
@@ -10,6 +10,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/pref_change_registrar.h"
+#include "chrome/browser/spellchecker/feedback_sender.h"
 #include "chrome/browser/spellchecker/spellcheck_custom_dictionary.h"
 #include "chrome/browser/spellchecker/spellcheck_hunspell_dictionary.h"
 #include "chrome/common/spellcheck_common.h"
@@ -93,6 +94,9 @@ class SpellcheckService : public KeyedService,
   // Returns the instance of the Hunspell dictionary.
   SpellcheckHunspellDictionary* GetHunspellDictionary();
 
+  // Returns the instance of the spelling service feedback sender.
+  spellcheck::FeedbackSender* GetFeedbackSender();
+
   // Load a dictionary from a given path. Format specifies how the dictionary
   // is stored. Return value is true if successful.
   bool LoadExternalDictionary(std::string language,
@@ -143,6 +147,10 @@ class SpellcheckService : public KeyedService,
   // Notification handler for changes to prefs::kSpellCheckUseSpellingService.
   void OnUseSpellingServiceChanged();
 
+  // Enables the feedback sender if spelling server is available and enabled.
+  // Otherwise disables the feedback sender.
+  void UpdateFeedbackSenderState();
+
   PrefChangeRegistrar pref_change_registrar_;
   content::NotificationRegistrar registrar_;
 
@@ -155,6 +163,8 @@ class SpellcheckService : public KeyedService,
 
   scoped_ptr<SpellcheckHunspellDictionary> hunspell_dictionary_;
 
+  scoped_ptr<spellcheck::FeedbackSender> feedback_sender_;
+
   base::WeakPtrFactory<SpellcheckService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SpellcheckService);