#include "components/performance_manager/public/decorators/tab_page_decorator.h"
#include <memory>
#include <utility>
#include "components/performance_manager/graph/page_node_impl.h"
#include "components/performance_manager/test_support/graph_test_harness.h"
#include "components/performance_manager/test_support/mock_graphs.h"
#include "testing/gmock/include/gmock/gmock.h"
namespace performance_manager {
class MockObserver : public TabPageObserver { … };
constexpr auto TabHandleMatches = …;
class TabPageDecoratorTest : public GraphTestHarness { … };
TEST_F(TabPageDecoratorTest, TestBecomesTabAndRemoval) { … }
TEST_F(TabPageDecoratorTest, TestDiscarding) { … }
}