cc: Get rid of LayerTreeHost::output_surface_lost_ state.

cc/debug/micro_benchmark_controller_unittest.cc

Index: cc/debug/micro_benchmark_controller_unittest.cc
diff --git a/cc/debug/micro_benchmark_controller_unittest.cc b/cc/debug/micro_benchmark_controller_unittest.cc
index 30abcc4627f815ee8fd5def476228e1ef7453f40..4cefd815fe1badf2b221004d8b9ca1b0c0cca301 100644
--- a/cc/debug/micro_benchmark_controller_unittest.cc
+++ b/cc/debug/micro_benchmark_controller_unittest.cc
@@ -80,7 +80,6 @@ TEST_F(MicroBenchmarkControllerTest, BenchmarkRan) {
       base::Bind(&IncrementCallCount, base::Unretained(&run_count)));
   EXPECT_GT(id, 0);
 
-  layer_tree_host_->SetOutputSurfaceLostForTesting(false);
   layer_tree_host_->UpdateLayers();
 
   EXPECT_EQ(1, run_count);
@@ -99,7 +98,6 @@ TEST_F(MicroBenchmarkControllerTest, MultipleBenchmarkRan) {
       base::Bind(&IncrementCallCount, base::Unretained(&run_count)));
   EXPECT_GT(id, 0);
 
-  layer_tree_host_->SetOutputSurfaceLostForTesting(false);
   layer_tree_host_->UpdateLayers();
 
   EXPECT_EQ(2, run_count);