Update from https://crrev.com/320343

gpu/command_buffer/service/shader_manager_unittest.cc

Index: gpu/command_buffer/service/shader_manager_unittest.cc
diff --git a/gpu/command_buffer/service/shader_manager_unittest.cc b/gpu/command_buffer/service/shader_manager_unittest.cc
index 88f47158fcd2bfdab2fb7ec9db6f68acad272213..3103e88cff5c2873cf9167ab8baf1f58088f4f2d 100644
--- a/gpu/command_buffer/service/shader_manager_unittest.cc
+++ b/gpu/command_buffer/service/shader_manager_unittest.cc
@@ -82,16 +82,19 @@ TEST_F(ShaderManagerTest, DeleteBug) {
   ASSERT_TRUE(shader1.get());
   ASSERT_TRUE(shader2.get());
   manager_.UseShader(shader1.get());
-  EXPECT_CALL(*gl_, DeleteShader(kService1Id))
-      .Times(1)
-      .RetiresOnSaturation();
   manager_.Delete(shader1.get());
+
   EXPECT_CALL(*gl_, DeleteShader(kService2Id))
       .Times(1)
       .RetiresOnSaturation();
   manager_.Delete(shader2.get());
   EXPECT_TRUE(manager_.IsOwned(shader1.get()));
   EXPECT_FALSE(manager_.IsOwned(shader2.get()));
+
+  EXPECT_CALL(*gl_, DeleteShader(kService1Id))
+      .Times(1)
+      .RetiresOnSaturation();
+  manager_.UnuseShader(shader1.get());
 }
 
 TEST_F(ShaderManagerTest, DoCompile) {