Enable RL sync by default on iOS

components/reading_list/ios/reading_list_model_bridge_observer.h

Index: components/reading_list/ios/reading_list_model_bridge_observer.h
diff --git a/components/reading_list/reading_list_model_bridge_observer.h b/components/reading_list/ios/reading_list_model_bridge_observer.h
similarity index 92%
rename from components/reading_list/reading_list_model_bridge_observer.h
rename to components/reading_list/ios/reading_list_model_bridge_observer.h
index 9568ca5c8a877694a15845a17f4eb2c7a9567a2c..90b09400e40d22aa5778e43e939f81feb5c3eb1f 100644
--- a/components/reading_list/reading_list_model_bridge_observer.h
+++ b/components/reading_list/ios/reading_list_model_bridge_observer.h
@@ -3,13 +3,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_READING_LIST_READING_LIST_MODEL_BRIDGE_OBSERVER_H_
-#define COMPONENTS_READING_LIST_READING_LIST_MODEL_BRIDGE_OBSERVER_H_
+#ifndef COMPONENTS_READING_LIST_IOS_READING_LIST_MODEL_BRIDGE_OBSERVER_H_
+#define COMPONENTS_READING_LIST_IOS_READING_LIST_MODEL_BRIDGE_OBSERVER_H_
 
 #import <Foundation/Foundation.h>
 
 #include "base/macros.h"
-#include "components/reading_list/reading_list_model_observer.h"
+#include "components/reading_list/ios/reading_list_model_observer.h"
 
 // Protocol duplicating all Reading List Model Observer methods in Objective-C.
 @protocol ReadingListModelBridgeObserver<NSObject>
@@ -84,4 +84,4 @@ class ReadingListModelBridge : public ReadingListModelObserver {
   DISALLOW_COPY_AND_ASSIGN(ReadingListModelBridge);
 };
 
-#endif  // COMPONENTS_READING_LIST_READING_LIST_MODEL_BRIDGE_OBSERVER_H_
+#endif  // COMPONENTS_READING_LIST_IOS_READING_LIST_MODEL_BRIDGE_OBSERVER_H_