Componentize Reading List

components/reading_list/reading_list_model_observer.h

Index: components/reading_list/reading_list_model_observer.h
diff --git a/ios/chrome/browser/reading_list/reading_list_model_observer.h b/components/reading_list/reading_list_model_observer.h
similarity index 94%
copy from ios/chrome/browser/reading_list/reading_list_model_observer.h
copy to components/reading_list/reading_list_model_observer.h
index f08d35dfdb74e489e45238d56cbc8e13da3a8072..813c90598e0d5bd675aac26d0196122c1a8b3fd5 100644
--- a/ios/chrome/browser/reading_list/reading_list_model_observer.h
+++ b/components/reading_list/reading_list_model_observer.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 IOS_CHROME_BROWSER_READING_LIST_READING_LIST_MODEL_OBSERVER_H_
-#define IOS_CHROME_BROWSER_READING_LIST_READING_LIST_MODEL_OBSERVER_H_
+#ifndef COMPONENTS_READING_LIST_READING_LIST_MODEL_OBSERVER_H_
+#define COMPONENTS_READING_LIST_READING_LIST_MODEL_OBSERVER_H_
 
 #import <set>
 #import <vector>
@@ -76,4 +76,4 @@ class ReadingListModelObserver {
   DISALLOW_COPY_AND_ASSIGN(ReadingListModelObserver);
 };
 
-#endif  // IOS_CHROME_BROWSER_READING_LIST_READING_LIST_MODEL_OBSERVER_H_
+#endif  // COMPONENTS_READING_LIST_READING_LIST_MODEL_OBSERVER_H_