Convert spellcheck to a buildflag header.

components/spellcheck/renderer/spellcheck.h

 // 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.
 
 #ifndef COMPONENTS_SPELLCHECK_RENDERER_SPELLCHECK_H_
 #define COMPONENTS_SPELLCHECK_RENDERER_SPELLCHECK_H_
 
 #include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/files/file.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "components/spellcheck/renderer/custom_dictionary_engine.h"
+#include "components/spellcheck/spellcheck_build_features.h"
 #include "content/public/renderer/render_thread_observer.h"
 
 struct SpellCheckBDictLanguage;
 class SpellcheckLanguage;
 struct SpellCheckResult;
 
 namespace blink {
 class WebTextCheckingCompletion;
 struct WebTextCheckingResult;
 template <typename T> class WebVector;
@@ skipping 52 matching lines @@
 
   // SpellCheck a paragraph.
   // Returns true if |text| is correctly spelled, false otherwise.
   // If the spellchecker failed to initialize, always returns true.
   bool SpellCheckParagraph(
       const base::string16& text,
       blink::WebVector<blink::WebTextCheckingResult>* results);
 
   // Requests to spellcheck the specified text in the background. This function
   // posts a background task and calls SpellCheckParagraph() in the task.
-#if !defined (USE_BROWSER_SPELLCHECKER)
+#if !BUILDFLAG(USE_BROWSER_SPELLCHECKER)
   void RequestTextChecking(const base::string16& text,
                            blink::WebTextCheckingCompletion* completion);
 #endif
 
   // Creates a list of WebTextCheckingResult objects (used by WebKit) from a
   // list of SpellCheckResult objects (used by Chrome). This function also
   // checks misspelled words returned by the Spelling service and changes the
   // underline colors of contextually-misspelled words.
   void CreateTextCheckingResults(
       ResultFilter filter,
@@ skipping 22 matching lines @@
    bool OnControlMessageReceived(const IPC::Message& message) override;
 
   // Message handlers.
    void OnInit(const std::vector<SpellCheckBDictLanguage>& bdict_languages,
                const std::set<std::string>& custom_words);
    void OnCustomDictionaryChanged(const std::set<std::string>& words_added,
                                   const std::set<std::string>& words_removed);
   void OnEnableSpellCheck(bool enable);
   void OnRequestDocumentMarkers();
 
-#if !defined (USE_BROWSER_SPELLCHECKER)
+#if !BUILDFLAG(USE_BROWSER_SPELLCHECKER)
   // Posts delayed spellcheck task and clear it if any.
   // Takes ownership of |request|.
   void PostDelayedSpellCheckTask(SpellcheckRequest* request);
 
   // Performs spell checking from the request queue.
   void PerformSpellCheck(SpellcheckRequest* request);
 
   // The parameters of a pending background-spellchecking request. When WebKit
   // sends a background-spellchecking request before initializing hunspell,
   // we save its parameters and start spellchecking after we finish initializing
   // hunspell. (When WebKit sends two or more requests, we cancel the previous
   // requests so we do not have to use vectors.)
   std::unique_ptr<SpellcheckRequest> pending_request_param_;
 #endif
 
   // A vector of objects used to actually check spelling, one for each enabled
   // language.
   ScopedVector<SpellcheckLanguage> languages_;
 
   // Custom dictionary spelling engine.
   CustomDictionaryEngine custom_dictionary_;
 
   // Remember state for spellchecking.
   bool spellcheck_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(SpellCheck);
 };
 
 #endif  // COMPONENTS_SPELLCHECK_RENDERER_SPELLCHECK_H_