[Sync] Moved down comments directly following copyright.

components/sync/base/model_type.h

Index: components/sync/base/model_type.h
diff --git a/components/sync/base/model_type.h b/components/sync/base/model_type.h
index e3edb49287cf1962da031cef06f49abc65268836..5cca1a0809b6bbccf74c0b150b6e66764017867f 100644
--- a/components/sync/base/model_type.h
+++ b/components/sync/base/model_type.h
@@ -2,10 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Enumerate the various item subtypes that are supported by sync.
-// Each sync object is expected to have an immutable object type.
-// An object's type is inferred from the type of data it holds.
-
 #ifndef COMPONENTS_SYNC_BASE_MODEL_TYPE_H_
 #define COMPONENTS_SYNC_BASE_MODEL_TYPE_H_
 
@@ -31,12 +27,13 @@ class SyncEntity;
 
 namespace syncer {
 
-// TODO(akalin): Move the non-exported functions in this file to a
-// private header.
-
+// Enumerate the various item subtypes that are supported by sync.
+// Each sync object is expected to have an immutable object type.
+// An object's type is inferred from the type of data it holds.
+//
 // A Java counterpart will be generated for this enum.
 // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.components.sync
-
+//
 // |kModelTypeInfoMap| struct entries are in the same order as their definition
 // in ModelType enum. Don't forget to update the |kModelTypeInfoMap| struct in
 // model_type.cc when you make changes in ModelType enum.