Add IN_DICTIONARY feedback type for spelling service

chrome/browser/spellchecker/spellcheck_action.h

Index: chrome/browser/spellchecker/spellcheck_action.h
diff --git a/chrome/browser/spellchecker/spellcheck_action.h b/chrome/browser/spellchecker/spellcheck_action.h
index e687e047861ced89427c5e5da1a050cfc8dd7cbd..c1b3cd2d11ffe87a8ed1f8d77593d7eeed0d2c9a 100644
--- a/chrome/browser/spellchecker/spellcheck_action.h
+++ b/chrome/browser/spellchecker/spellcheck_action.h
@@ -23,6 +23,9 @@ class SpellcheckAction {
     // select any suggestions. The user cannot take any more actions on the
     // misspelling, because it has been deleted from the web page.
     TYPE_IGNORE,
+    // The misspelling is in user's custom spellcheck dictionary. The user will
+    // not see spellcheck suggestions for this misspelling.
+    TYPE_IN_DICTIONARY,
     // The user manually corrected the word to |value|. The user cannot take
     // more actions on this misspelling.
     TYPE_MANUALLY_CORRECTED,