Update from chromium https://crrev.com/301725/

gpu/command_buffer/service/vertex_array_manager_unittest.cc

Index: gpu/command_buffer/service/vertex_array_manager_unittest.cc
diff --git a/gpu/command_buffer/service/vertex_array_manager_unittest.cc b/gpu/command_buffer/service/vertex_array_manager_unittest.cc
index aa2df355f70925e728f032d8c989751f12a18cd1..24592b685e56334ced000a394d7fb21cfdf9eac5 100644
--- a/gpu/command_buffer/service/vertex_array_manager_unittest.cc
+++ b/gpu/command_buffer/service/vertex_array_manager_unittest.cc
@@ -25,16 +25,15 @@ class VertexArrayManagerTest : public GpuServiceTest {
   VertexArrayManagerTest() {
   }
 
-  virtual ~VertexArrayManagerTest() {
-  }
+  ~VertexArrayManagerTest() override {}
 
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     GpuServiceTest::SetUp();
     manager_.reset(new VertexArrayManager());
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     manager_.reset();
     GpuServiceTest::TearDown();
   }