Sync user's custom spellcheck dictionary

chrome/browser/spellchecker/spellcheck_service.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/spellchecker/spellcheck_service.h"
 
 #include "base/platform_file.h"
 #include "base/prefs/public/pref_member.h"
 #include "base/string_split.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 211 matching lines @@
       profile_->GetPrefs()->GetString(prefs::kSpellCheckDictionary),
       profile_->GetRequestContext(),
       this));
   hunspell_dictionary_->Load();
 }
 
 void SpellcheckService::OnCustomDictionaryLoaded() {
   InitForAllRenderers();
 }
 
-void SpellcheckService::OnCustomDictionaryWordAdded(const std::string& word) {
-}
-
-void SpellcheckService::OnCustomDictionaryWordRemoved(const std::string& word) {
+void SpellcheckService::OnCustomDictionaryChanged(
+    const SpellcheckCustomDictionary::Change* dictionary_change) {
+  DCHECK(dictionary_change);
+  for (content::RenderProcessHost::iterator i(
+          content::RenderProcessHost::AllHostsIterator());
+       !i.IsAtEnd(); i.Advance()) {
+    i.GetCurrentValue()->Send(new SpellCheckMsg_WordsAddedRemoved(
+        dictionary_change->to_add(),
+        dictionary_change->to_remove()));
+  }
 }
 
 // static
 void SpellcheckService::AttachStatusEvent(base::WaitableEvent* status_event) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   g_status_event = status_event;
 }
 
 // static
 SpellcheckService::EventType SpellcheckService::WaitStatusEvent() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   if (g_status_event)
     g_status_event->Wait();
   return g_status_type;
 }