base: Remove the string logging from CHECK().

components/sync/test/fake_server/bookmark_entity.cc

 // Copyright 2014 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.
 
 #include "components/sync/test/fake_server/bookmark_entity.h"
 
 #include "base/guid.h"
 
 using std::string;
 
 namespace fake_server {
 namespace {
 
 // Returns true if and only if |client_entity| is a bookmark.
 bool IsBookmark(const sync_pb::SyncEntity& client_entity) {
   return syncer::GetModelType(client_entity) == syncer::BOOKMARKS;
 }
 
 }  // namespace
 
 BookmarkEntity::~BookmarkEntity() {}
 
 // static
 std::unique_ptr<FakeServerEntity> BookmarkEntity::CreateNew(
     const sync_pb::SyncEntity& client_entity,
     const string& parent_id,
     const string& client_guid) {
-  CHECK_EQ(0, client_entity.version()) << "New entities must have version = 0.";
-  CHECK(IsBookmark(client_entity)) << "The given entity must be a bookmark.";
+  // New entities must have version = 0.
+  CHECK_EQ(0, client_entity.version());
+  // The given entity must be a bookmark.
+  CHECK(IsBookmark(client_entity));
 
   const string id =
       FakeServerEntity::CreateId(syncer::BOOKMARKS, base::GenerateGUID());
   const string originator_cache_guid = client_guid;
   const string originator_client_item_id = client_entity.id_string();
 
   return std::unique_ptr<FakeServerEntity>(new BookmarkEntity(
       id, client_entity.version(), client_entity.name(), originator_cache_guid,
       originator_client_item_id, client_entity.unique_position(),
       client_entity.specifics(), client_entity.folder(), parent_id,
       client_entity.ctime(), client_entity.mtime()));
 }
 
 // static
 std::unique_ptr<FakeServerEntity> BookmarkEntity::CreateUpdatedVersion(
     const sync_pb::SyncEntity& client_entity,
     const FakeServerEntity& current_server_entity,
     const string& parent_id) {
-  CHECK_NE(0, client_entity.version()) << "Existing entities must not have a "
-                                       << "version = 0.";
-  CHECK(IsBookmark(client_entity)) << "The given entity must be a bookmark.";
+  // Existing entities must not have a version = 0.
+  CHECK_NE(0, client_entity.version());
+  // The given entity must be a bookmark.
+  CHECK(IsBookmark(client_entity));
 
   const BookmarkEntity& current_bookmark_entity =
       static_cast<const BookmarkEntity&>(current_server_entity);
   const string originator_cache_guid =
       current_bookmark_entity.originator_cache_guid_;
   const string originator_client_item_id =
       current_bookmark_entity.originator_client_item_id_;
 
   return std::unique_ptr<FakeServerEntity>(new BookmarkEntity(
       client_entity.id_string(), client_entity.version(), client_entity.name(),
@@ skipping 49 matching lines @@
 
   sync_pb::UniquePosition* unique_position = proto->mutable_unique_position();
   unique_position->CopyFrom(unique_position_);
 }
 
 bool BookmarkEntity::IsFolder() const {
   return is_folder_;
 }
 
 }  // namespace fake_server