Create a spellcheck component that will allow any embedder to reuse common functionality.

chrome/renderer/spellchecker/hunspell_engine.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/renderer/spellchecker/hunspell_engine.h"
 
 #include <stddef.h>
 #include <algorithm>
 #include <iterator>
 #include <utility>
 
 #include "base/files/memory_mapped_file.h"
 #include "base/time/time.h"
 #include "chrome/common/spellcheck_common.h"
-#include "chrome/common/spellcheck_messages.h"
+#include "components/spellcheck/common/spellcheck_messages.h"
 #include "content/public/renderer/render_thread.h"
 #include "third_party/hunspell/src/hunspell/hunspell.hxx"
 
 using content::RenderThread;
 
 namespace {
   // Maximum length of words we actually check.
   // 64 is the observed limits for OSX system checker.
   const size_t kMaxCheckedLen = 64;
 
@@ skipping 105 matching lines @@
   // Don't initialize if hunspell is disabled.
   if (file_.IsValid())
     InitializeHunspell();
 
   return !initialized_;
 }
 
 bool HunspellEngine::IsEnabled() {
   return hunspell_enabled_;
 }