Remove spellchecker feedback.

chrome/browser/renderer_context_menu/spelling_menu_observer.h

Index: chrome/browser/renderer_context_menu/spelling_menu_observer.h
diff --git a/chrome/browser/renderer_context_menu/spelling_menu_observer.h b/chrome/browser/renderer_context_menu/spelling_menu_observer.h
index 0b4cc0a1353b4104df6efa0730239fb97bcc1ab7..fff2d4883203b8953e80cec0be7acf91d011c7ea 100644
--- a/chrome/browser/renderer_context_menu/spelling_menu_observer.h
+++ b/chrome/browser/renderer_context_menu/spelling_menu_observer.h
@@ -52,7 +52,6 @@ class SpellingMenuObserver : public RenderViewContextMenuObserver {
   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.
@@ -92,10 +91,6 @@ class SpellingMenuObserver : public RenderViewContextMenuObserver {
   // 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_t 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