Componentize spellcheck [3]: move renderer/ files to component.

components/spellcheck/renderer/spelling_engine.h

Index: components/spellcheck/renderer/spelling_engine.h
diff --git a/chrome/renderer/spellchecker/spelling_engine.h b/components/spellcheck/renderer/spelling_engine.h
similarity index 84%
rename from chrome/renderer/spellchecker/spelling_engine.h
rename to components/spellcheck/renderer/spelling_engine.h
index 12e502d8c7f4ab5d92c44e512a885334171ee0b3..2fb32a800c47b8134900ddd5b656581102f7c779 100644
--- a/chrome/renderer/spellchecker/spelling_engine.h
+++ b/components/spellcheck/renderer/spelling_engine.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_RENDERER_SPELLCHECKER_SPELLING_ENGINE_H_
-#define CHROME_RENDERER_SPELLCHECKER_SPELLING_ENGINE_H_
+#ifndef COMPONENTS_SPELLCHECK_RENDERER_SPELLING_ENGINE_H_
+#define COMPONENTS_SPELLCHECK_RENDERER_SPELLING_ENGINE_H_
 
 #include <string>
 #include <vector>
@@ -30,5 +30,5 @@ class SpellingEngine {
       std::vector<base::string16>* optional_suggestions) = 0;
 };
 
-#endif  // CHROME_RENDERER_SPELLCHECKER_SPELLING_ENGINE_H_
+#endif  // COMPONENTS_SPELLCHECK_RENDERER_SPELLING_ENGINE_H_