#include "components/user_annotations/user_annotations_database.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/protobuf_matchers.h"
#include "base/test/task_environment.h"
#include "components/user_annotations/user_annotations_features.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace user_annotations {
EqualsProto;
UserAnnotationsEntry;
UnorderedElementsAre;
UserAnnotationsEntry CreateUserAnnotationsEntry(int id,
const std::string& key,
const std::string& value) { … }
class UserAnnotationsDatabaseTest : public testing::Test { … };
TEST_F(UserAnnotationsDatabaseTest, StoreAndRetrieve) { … }
}